BIONICLE Glossary



 Bionicle Glossary

This is a glossary of Bionicle. If you have a word to add, please give it a bullet. Please give it a brief description and please put in the list alphabetically. You can also use this page for a link to another page. Thanks!

A

 * "Airwatcher" - A Dark Hunter
 * "Ancient" - A Dark Hunter; former Order of Mata Nui member (deceased)
 * Acid - An elemental power
 * Acid Cloud - An enemy used in a vision of Karzahni
 * Acid Fly - Voya Nui Rahi
 * Acid Grass - Plant on Xia
 * Acid Shield - Tools carried by the Lehvak
 * Ackar - A veteran Glatorian from the Fire Tribe
 * Acolyte - A Ko-Matoran job
 * Adaptive Armor - Armor with the ability to transform it's bearer.
 * Adept - A Ko-Matoran who translated the text of the Wall of Prophecy
 * Aero Slicers - Toa Matau's Toa Tools
 * Aft - A Ta-Matoran
 * After Great Cataclysm - Also known as AGC;used to date periods after the Great Cataclysm
 * Agni - A Ta-Matoran
 * Agori - The villagers of Bara Magna/Spherus Magna
 * Agori Defender - "Tower defender"-style game released on BIONICLE.com
 * Agori Language - Language the Agori spoke
 * Ahkmou - A scheming Po-Matoran and servant of Teridax.
 * Air - One of the six main Elements
 * Air Axe - Lewa's Toa Tool
 * Air Bladder - Tool that stored air for Ga-Matoran
 * Air Bubble - Important providers of air to the Mahri Nui Matoran
 * Air Burnak - Burnak
 * Air Gafna - Gafna
 * Air Launcher - Originally built as a vehicle, now used as weapon
 * Air Katana - Lewa Nuva's tools that doubled as "wings"
 * Air Saber - Lewa Nuva's tool in Karda Nui
 * Air Scythe - Nidhiki's former Toa Tool
 * Airship - Large transports on Metru Nui
 * Airweed - Underwater plant containing air
 * Aiyetoro - An Onu-Matoran
 * Akaku - The Mask of X-Ray Vision
 * Akaku Nuva - The Kanohi Nuva of X-Ray Vision
 * Akamai - A Kaita fusion of Tahu, Onua, and Pohatu.
 * Akamu - An Onu-Matoran
 * Aki - The Great Mask of Valor
 * Aki Nuva- The Great Nuva Mask of Valor
 * Akilini - Official sport of Metru Nui
 * Ally - A Po-Matoran
 * Amaja-Nui - Part of Kini-Nui; Turaga told stories here
 * Amaja Circle - Circle the Turaga told the story of Mata Nui in
 * Amana Volo Sphere - Sphere of dark energy
 * Amaya - A Ga-Matoran
 * Amaya's Hut - Hut Amaya lived in
 * Amphibax - A Dark Hunter
 * Ancient Sea Behemoth - Giant, Ancient Rahi native to the sea
 * Angonce - A Great Being; stayed on Bara Magna rather than leave the planet
 * Annona - Red glowing creature that caused the Dreaming Plague
 * Antidermis - A Makuta's essence
 * Antroz - A Makuta (deceased)
 * Aodhan - A Ta-Matoran
 * Aqua Axes - Gali Nuva's Toa Tools
 * Aqua Blaster Blade - One of Nuparu Mahri's Toa Tools
 * Aqua Hunter - Mahri Nui Matoran job involving finding resources
 * Aqua Magna - One of Bara Magna's moons; now part of Spherus Magna
 * Aqua Warblade - Hewkii Mahri's tool
 * Architect - Ko-Matoran job
 * Archives - Large collection of various objects and Rahi
 * Archives Beast - A dangerous Rahi who lurks in the Archives of Metru Nui
 * Archives Massacre - An event which involved several Matoran being thrown into the Archives and killed by the Rahi inside
 * Archives Mole - Small Po-Metru Rahi
 * Arena Magna - Arena in Atero on Bara Magna
 * Arktinen - A Ko-Matoran
 * Armor - Used by most beings for defense against enemies and wild creatures
 * Artakha - An inventor and bearer of the Mask of Creation
 * Artakha - An island, home to Artakha
 * Artakha Bull - A mysterious bull-like Rahi with incredible tracking skills
 * Artidax - A volcanic island
 * Arthron - The Mask of Sonar
 * Archivist - A Matoran job
 * Arktinen - A Ko-Matoran
 * Ash Bear - Violent Rahi of Le-Wahi and Po-Metru
 * Assembler's Village - A place where large statues were made in on Po-Metru
 * Astrologer - Ga-Matoran job
 * Atakus - An Agori of the Rock Tribe
 * Atero - Village free to anyone but Skrall and Bone Hunters on Bara Magna
 * Attendant - Matoran job which let Matoran help the Turaga take care of their villages
 * Av - A Matoran prefix meaning "Light"
 * Av-Matoran - Matoran of Light
 * Avak - A frmer Piraka and Dark Hunter
 * Avalanche Spear - Toa Hagah Bomanga's Toa Tool
 * Avohkah - Karda Nui Rahi
 * Avohkii - The Great Mask of Light; Made by residents of Artahka
 * Avsa - The Mask of Hunger
 * Axalara T9 - A vehicle stored in the Codrex
 * Axonn - A member of The Order of Mata Nui
 * Azibo - An Onu-Matoran

B

 * Ba - Matoran prefix meaning "Gravity"
 * Ba-Koro - Village of the Ba-Matoran located in the Southern Continent; now abandoned
 * Ba-Matoran - Matoran of Gravity
 * Badge of Office - Tools used by Turaga
 * Bahrag - The Bohrok Queens, leaders of the Bohrok Swarms.
 * Balta - A Ta-Matoran; member of the Voya Nui Resistance Team
 * Bamboo - Plant used by Ga-Matoran to make Kolhii sticks
 * Bamboo Disk - Weapons used by the Matoran while on Mata Nui
 * Bamboo Pole - Pole made of Bamboo; could be made into a Kolhii stick
 * Barbed Broadsword - Weapon used by Tuyet
 * Bara Magna - One of the three parts of Spherus Magna, also the name of the desert on Spherus Magna
 * Baranus V7 - Chariot vehicles used on Bara Magna
 * Barraki - Matoran word for "Warlord".
 * Barraki: Creeps From the Deep - 2007 promo video
 * Barraki Fortress - Fortress where the Barraki used to plan war strategies
 * Baterra - Shapeshifting robots created by the Great Beings to end the Core War; programmed to attack anything with a weapon.
 * Battle for Metru Nui - Battle between Sidorak and Roodaka with their Visorak forces and the Toa Hordika
 * Battle for Power - Phantoka game
 * Battle for Power: Reveal the Secrets - Mistika game
 * Battle of Bara Magna - Huge fight between Teridax and his forces with the Skrall against Mata Nui and his allies
 * Battle of Ga-Koro - Battle between the Ga-Matoran and Po-Matoran and the Bohrok
 * Battle of Kini-Nui - Fight between the Matoran and the Rahi at Kini Nui
 * Battle of Mahri Nui - Fight between Ehlek and his army and the Mahri Nui Matoran
 * Battle of Onu-Koro - Fight between the Gahlok and the Onu-Matoran of Mata Nui
 * Battle of Po-Koro - Battle between the Tahnok and the Po-Matoran
 * Battle of Roxtus - Fight between the Skrall and Mata Nui's allies
 * Battle of the Charred Forest - Battle between the Ta-Matoran and several Rahi controlled by Teridax
 * Bazaar - Marketplace in Po-Koro
 * Before Great Cataclysm - Reffered to as BGC;unofficial way to date periods before the Great Cataclysm
 * Berix - Agori of the Water Tribe.
 * Bio - Basic unit of measurement for Matoran
 * BIONICLE - Line of buildable figures developed by Lego
 * BIONICLE.com - The official Bionicle website
 * BIONICLEstory.com - Site containing the story serials and other things
 * BIONICLE: Battle Zone - Game about Vakama Hordika trying to collecting the Makoki Stone pieces
 * BIONICLE: Dark Hunters - Book featuring some of the Dark Hunters
 * BIONICLE: Glatorian I - Book based on Bionicle: The Legend Reborn
 * BIONICLE: Glatorian II - Book featuring the 2009 storyline
 * BIONICLE: Legends of Mata Nui - Game going through the 2001 story
 * BIONICLE: Mask of Light novel - Book based off of the movie Mask of Light
 * BIONICLE: Metru Nui - City of Legends - Book released in 2004 describing Metru Nui
 * BIONICLE: Quest for the Masks - Bionicle card game
 * BIONICLE: Quest for the Toa - Originally called "Tales of the Tohunga"; game describing Takua's quest to find the Toa Stones
 * BIONICLE: Raid on Vulcanus - Book released in 2009
 * Bionicle: The Game - Game featuring the Toa Mata/Toa Nuva and Takanuva
 * BIONICLE: The Legend Reborn - Fourth Bionicle movie
 * Bionicle: The Quest Game - Game going through the 2001 story
 * Bionicle: The Quest Game 2006 - Game going through the 2006 story
 * BIONICLE: The Rising - Podcast describing Mata Nui's awakening
 * BIONICLE: The Truth - Podcast describing Teridax's takeover of the Matoran Universe
 * BIONICLE: Volume 1 - Graphic novel containing all the 2001-2003 comics
 * BIONICLE 10: Power of the Great Beings - Cancelled tenth graphic novel
 * BIONICLE 1: Rise of the Toa Nuva - First graphic novel
 * BIONICLE 2: Challenge of the Rahkshi - Second graphic novel
 * BIONICLE 2: Legends of Metru Nui - Second Bionicle movie
 * BIONICLE 3: City of Legends - Third graphic novel
 * BIONICLE 3: Web of Shadows - Third Bionicle movie
 * BIONICLE 4: Trial by Fire - Fourth grahpic novel
 * BIONICLE 5: The Battle of Voya Nui - Fifth graphic novel
 * BIONICLE 6: The Underwater City - Sixth graphic novel
 * BIONICLE 7: Realm of Fear - Seventh graphic novel
 * BIONICLE 8: Legends of Bara Magna - Eighth graphic novel
 * BIONICLE 9: The Fall of Atero - Ninth graphic novel
 * Bionicle 4-Minute Retrospective - Video showing the Bionicle story from 2001-2008
 * Bionicle Action Figure Game - Game played with the Glatorian, Glatorian Legends, and 2009 vehicle sets
 * BIONICLE Adventures - Bionicle book series
 * BIONICLE Adventures: Volume 1 - Book containing the first three Bionicle Adventures books
 * Bionicle Battle Videos - Short series of vidoes detailing the Battle of Bara Magna
 * Bionicle Comics - Comics showing the Bionicle storyline
 * BIONICLE Encyclopedia Volume 1 - Book featuring everything from the 2001-2005 story
 * BIONICLE Encyclopedia Volume 2 - Book featuring the 2007 story
 * Bionicle Games - Games released about the Bionicle storyline
 * BIONICLE World - Book showing some islands of the Bionicle universe and it's inhabitants
 * Bioquake - Resulting earthquake of the Great Cataclysm
 * Bird Riding - Le-Matoran sport
 * Birth of a Dark Hunter - Story describing the Toa/Dark Hunter War
 * Bitil - Makuta of the western Southern Islands (deceased)
 * Black Spike Mountains - Mountain range on Bara Magna (destroyed)
 * Blade Burrower - Created by Mutran; created a huge map of something
 * Blazer Claws - Weapons used by Toa Vakama Hordika
 * Blizzard Blade - Weapon attached to Kopaka Nuva's Midak Skyblaster
 * Krana Bo - A Sentinel Krana.
 * Krana Bo Kal - Visionary Krana.
 * Board Games - Bionicle board games
 * Boat - Vehicle used to travel in water
 * Bog Snake - Onu-Metru/Le-Wahi Rahi
 * Boggarak - Visorak breed; use dehydration spinners
 * Bohrok - Insectoid creatures run by Krana (sleeping)
 * Bohrok-Kal - Six elite Bohrok sent out to free the Bahrag (destroyed)
 * Bohrok-Kal Online Animations - Animations going through the Bohrok-Kal story
 * Bohrok Kaita - Fusions of three Bohrok or Bohrok Kal
 * Bohrok Kaita Ja - Fusion composed of Lehvak, Kohrakk, and Gahlok
 * Bohrok Kaita Za - Fusion composed of Tahnok, Pahrak, and Nuhvok
 * Bohrok Nest - The Bohrok nest underneath Mata Nui
 * Bohrok Online Animations - Animations released on Bionicle.com describing the Bohrok War
 * Bohrok Va - Bohrok scout drones, who carried Krana Bohrok who had lost theirs.
 * Bohrok Va Kaita - Fusion composed of three Bohrok Va
 * Bohrok Va Tools - Weapons used by the Bohrok Va during their quest
 * Bohrok War - War between Mata Nui's Matoran and the Bohrok.
 * Bomonga - Toa Hagah of Earth; Rahaga of Earth
 * Bone Hunters - Nomads who served the Rock Tribe; not Agori.
 * Book of Certavus - A book on Bara Magna containing the strategies of the Glatorian Certavus
 * Books - Books that described the Bionicle storyline
 * Bordakh - The Vahki model that served Ga-Metru.
 * Boreas - A Le-Matoran
 * Bota Magna - One of the moons of Bara Magna, and the name of the jungle of Spherus Magna
 * Botar - A Member of the Order of Mata Nui (Deceased)
 * Bour - A Po-Matoran
 * Boxor - Invented by Nuparu out of the parts of Krana-less Gahlok; used to fight during the Bohrok War
 * Boxor squad - Matoran controlling Boxors to fight the Bohrok
 * Brakas - Monkey-like Rahi
 * Brander - A Ta-Matoran
 * Branar - Named Skrall
 * Breathing Apparatus - Device that allowed one to breathe underwater
 * Breathing Helmet - Helmet filled with water that allowed a water-breather to breathe on land
 * Bricklayer - Matoran job
 * Brotherhood of Makuta - Organization devoted to furthering it's goals
 * Brotherhood of Makuta\Dark Hunter War - War between the Brotherhood of Maktua and the Dark Hunters
 * Brotherhood Tablet of Transit - Tablet identifying a being as an ally of the Brotherhood of Maktua
 * Brothers in Arms - Story describing the adventures of Ko-Matoran Mazeka and Shadow Matoran Vultraz
 * Brutaka - A member of the Order of Mata Nui
 * Bula - Berries on Mata Nui
 * Burnak - Rahi on Voya Nui
 * Buzzsaw - Weapon used by Piraka Reidak
 * BZPower - Largest BIONICLE fan-site

C

 * "Charger" - A Dark Hunter who used to be a Kane-Ra bull
 * "Conjurer" - A Dark Hunter from the southern isles
 * Krana Ca - Clearance worker
 * Krana Ca Kal - Seeker
 * Cable Car - Device that acted as transport between Ta-Wahi and Ko-Wahi
 * Cable Crawler - Metru Nui Rahi
 * Cahdok - One of the Bahrag
 * Calix - Mask of Fate
 * Canister - Transports in the shape of a pod that carried Toa
 * Canoe - Boats built in Ga-Wahi
 * Canyon Fortress - Fortress on Voya Nui
 * Canyon of Unending Whispers - Location on Metru Nui; named for the numerous echoes
 * Cape of No Hope - Area in northwest Voya Nui
 * Captain of the Guard - Title given to the leader of the Ta-Koro Guard
 * Carapar - Member of the League of Six Kingdoms, now mutated (deceased)
 * Caravan Crawler - Modified Lava Crawler
 * Cargo Hauler - Small freighter in Metru Nui
 * Carpenter - Po-Matoran job
 * Carver - Ko-Matoran/Po-Matoran job
 * Catapult Scorpion - Metru Nui Rahi
 * Catcher Claw - Weapon used by Roodaka
 * Cathy Hapka - Author of 4 Bionicle Chronicle books
 * Cave Fish - Ga-Metru/Ga-Wahi Rahi
 * Cave Shrike - Predatory birds on Bara Magna
 * Cavern of Historical Records - Cave where the history of Voya Nui was kept
 * Ce - Matoran prefix meaning "Psionics"
 * Ce-Matoran - Matoran of Psionics
 * Cendox - Vehicles piloted on Bara Magna
 * Certavus - Legendary Glatorian, author of the Book of Certavus (deceased)
 * Challenge of Mata Nui - Book describing Ackar teaching Mata Nui to predict his opponent's moves.
 * Chamber of Death - Challenge one would face on the way to the Ignika
 * Chamber of Truth - Room where Reidak and Vezok interrogated Matoran
 * Charms - Carvings showing the Three Virtues and the different principles
 * Charred Forest - Part of Ta-Wahi that was charred in one of Teridax's early attacks on Mata Nui
 * Chiara - Toa of Lightning
 * Chief Archivist - Onu-Matoran job
 * Chirox - A Makuta who fought the Toa Nuvain Karda Nui(deceased)
 * Christian Zanier - Illustrator of some graphic novels
 * Chronicler - Matoran job; meant to record important events
 * Chronicler's Company - Led by Takua; formed to defend Kini-Nui while the Toa Mata fought Teridax
 * Chronicler's Staff - A tool used by the Chronicler
 * Chute - Pipes all over Metru Nui used to transport cargo, Rahi, and Matoran
 * Chute Boarding - Le-Matoran sport
 * Chute Lurker - Metru Nui Rahi
 * Chute Station - Area where Matoran would enter the Chutes
 * City-Building Creatures - Species living in the City of Silver Pocket Dimension
 * City of Silver Pocket Dimension - Pocket dimension currently inhabited by one City-Building Creature, Purple and Black Entities, and the Spectral Mask
 * Claw Clubs - Weapons used by Toa Whenua Hordika
 * Click - Scarabax with the power to turn into a shield; companion of Mata Nui
 * Cliff Screecher - Rahi native to Odina
 * Climbing Chain - Chain used by Hewkii Inika
 * Climbing Claws - Claws carried by Pohatu Nuva; can be combined into a Kodan Ball
 * Climbing Hook - Hook carried by Gahlok Va
 * Co-Chief - Highest rank in the Ga-Koro military force; held by Macku and Hahli
 * Codrex - Massive structure in Karda Nui; Original location of the Toa Mata's canisters
 * Coliseum - Massive structure in the center of Metru Nui
 * Colony Drone - Rahi allied with the Visorak
 * Comet Ball - Infected Kolhii balls sold by Ahkmou on Mata Nui
 * Command The Toa Mahri - The Final Challenge - Game released in 2007; contains the other "Command Toa" games
 * Command Toa Hahli - Second "Command Toa" game released
 * Command Toa Hewkii - First "Command Toa" game released
 * Command Toa Jaller - Fourth "Command Toa" game released
 * Command Toa Kongu - Third "Command Toa" game released
 * Command Toa Matoro - Sixth "Command Toa" game released
 * Command Toa Nuparu - Fifth "Command Toa" game released
 * Commander of the Gukko Force - Leader of the Le-Koro military
 * Copper Mask - Kanohi with no powers used as trophies
 * Cordak Blasters - Weapons whose bullets can destroy rock
 * Core Processor - Acted as the "brain" for the Great Spirit Robot
 * Core War - A war for Energized Protodermis that destroyed Spherus Magna
 * Cowrie Shell - Shell found in Ga-Koro
 * Crafter - Matoran job
 * Crast - Mask of Repulsion
 * Creation - Legendary element
 * Creep Canyon - Location on Bara Magna
 * Crescent Scythe - Blade carried by Nektann
 * Crotesius - Agori of the Fire Tribe; Vehicle pilot
 * Cryoshell - Band whose songs were used to promote Bionicle from 2007-2010
 * Crystal - Artifacts found by Hahli on Mata Nui
 * Crystal Climber - Ko-Metru/Ko-Wahi Rahi
 * Crystal Serpent - Rahi created by Artahka
 * Crystal Spikes - Toa Metru Nuju's Toa Tools
 * Custom Bionicle Wiki - BIONICLE Wiki where people can post their fanon BIONICLE ideas
 * Cyclone Spear - Toa Hagah Iruini's Iruini's Toa Tool

D

 * "Darkness" - A Dark Hunter
 * Devastator - A Dark Hunter
 * "Dweller" - A Dark Hunter
 * Dagger Spider - Voya Nui Rahi
 * Daikau - Carnivourous plant in Le-Wahi
 * Dalu - A Ga-Matoran
 * Damek - An Onu-Matoran
 * Dark Falls - Area on Bara Magna
 * Dark Hunters - An organization of beings doing any jobs that pay enough
 * Dark Hunter Fortress - Dark Hunter fortress on Odina
 * Dark Mirror - Story describing part of Takanuva's dimensional voyage
 * Dark Time - Period between the Great Rescue and the arrival of the Toa Mata on Mata Nui
 * David Molina - Director of three BIONICLE movies
 * Daxia - The island where the Toa Mata were trained; headquarters of the Order of Mata Nui
 * De - Matoran Prefix meaning "Sonics"
 * De-Koro - De-Matoran village
 * De-Matoran - Matoran of Sonics
 * Death of Mata Nui - Mata Nui's death 1,001 years after the Great Cataclysm
 * Defilak - A Le-Matoran from Mahri Nui
 * Defilak's Submarine - Submarine built by Defilak (sunk)
 * Dekar - A Po-Matoran; Transformed into new Hydraxon
 * Dermis Turtle - A Rahi with a mental connection to weather
 * Desert Burnak - Burnak sub-species
 * Desert madness - Condition that occured when one stayed in the Bara Magna desert for too long
 * Desert of Danger - Book describing part of Mata Nui's adevntures on Bara Magna
 * Desert of Sorrows - Desert area of Voya Nui
 * Destiny - One of the Three Virtues
 * Destiny War - Story about the war between the Order of Mata Nui and the Brotherhood of Makuta
 * Destral - The home island of the Brotherhood of Makuta
 * Destral Cycle - Vehicle created by Avak but stolen by the Makuta
 * Destral Fortress - Brotherhood of Makuta base on Destral
 * Devourer - Rahi that can eat through inorganic protodermis
 * Dezalk - A Ta-Matoran
 * Digger - Tool used by Onu-Matoran
 * Dikapi - Flightless Po-Wahi Rahi
 * Dimensional Gates - Portals leading to any location
 * Disk Dueling - Metru Nui sport
 * Disk Launcher - Weapon created to shoot Kanoka disks
 * Disk Launcher (Vakama) - Weapon used by Vakama
 * Disk Maker - A Matoran who makes Kanoka disks
 * Disk of Time - The Kanoka used to make the Vahi.
 * Doom Viper - Six-headed snake-like Rahi with toxic breath
 * Dosne - An Onu-Matoran
 * Dreams of Destruction - Story describing the battle between Lesovikk and Karzahni
 * Drill of Onua - Staff carried by Turaga Whenua
 * Dreaming Plague - a disease that makes it's bearer unable to dream, causing insanity; originally caused by a glowing creature
 * Dume - Turaga of Metru Nui, former Toa
 * Dune Snake - Bara Magna creature
 * Dune Wolf - Bara Magna creature
 * Dunes of Treason - Location on Bara Magna
 * Dust Darter - Rahi on Karzahni
 * Dweller in the Deep - Giant Metru Nui Rahi
 * Dwellers in Darkness - Story about the Toa Hagah on a quest to find Teridax

E

 * "Eliminator" - A Dark Hunter
 * Earth - one of the six main elements.
 * Earth Burnak - Burnak
 * Earth Gafna - A Rahi
 * Earth Claws - Claws used by Toa Onua
 * Earthshock Drills - Toa Whenua's Toa Tools
 * East Garden - Underwater location filled with shells and plants in Ga-Koro
 * Echo Forks - Weapons used by Kazi
 * Ehlek - A Barraki
 * Ehrye - A Ko-Matoran
 * Elbow Peak - Location on Bara Magna
 * Elda - Mask of Detection
 * Electricity Shield - Weapon used by Tahnok-Kal
 * Electrified Chains - Chain used by Toa Hewkii Mahri
 * Electro-Blades - Blades carried by the Mahri Nui Matoran
 * Elements - Powers controlled by the Toa in the Matoran Universe
 * Element Lord of Fire - the Element Lord controlling Fire
 * Element Lord of Water - the Element Lord controlling Water
 * Element Lord of Jungle - the Element Lord controlling Jungle
 * Element Lord of Ice - the Element Lord controlling Ice
 * Element Lord of Rock - the Element Lord controlling Stone
 * Element Lord of Sand - the Element Lord controlling Sand
 * Element Lords - Six warriors from different tribes who were picked by the Great Beings to lead their tribes. These warriors were also given complete control over their elements
 * Element of Melting - Crystal that could turn ice into water
 * Elemental Power - Energy which allows a Toa to use their elements
 * Elements -
 * Empire of the Skrall - Story about Tuma
 * Energized Flame Swords - Blades used by Jaller Inika
 * Energized Ice Sword - Sword carried by Toa Matoro Inika
 * Energized Protodermis - a silver liquid substance with transforming/destroying capabilities.
 * Energized Protodermis Entity - Being made out of Energized Protodermis
 * Energy Hound - Canine Rahi
 * Energy Storm - Storms that flooded Karda Nui with energy, incinerating anything it contacts and powering Mata Nui's heart
 * Engineer - Matoran job
 * Epena - A Po-Matoran
 * Exo-Toa - Robotic suits that can be controlled by Toa or Makuta; if used by Toa, removes usage of elemental powers
 * Exsidian - Precious metal on Bara Magna
 * Eyepiece - Device with a lens that could be attached to Kanohi

F

 * Fader Bull - Metru Nui Rahi
 * Fang Blades - Blades carried by Matau Hordika
 * Fau Swamp - Swamp-like area in Le-Koro
 * Faxon - Mask of Kindred
 * Fe - Matoran prefix meaning "Iron"
 * Fe-Matoran - Matoran of Iron
 * Federation of Fear - Story describing the adventures of a strike team formed by Brutaka
 * Feet Additions - Additions used by Pohatu as a Toa Mata and Toa Nuva
 * Felnas - Mask of Disruption
 * Fenrakk - Spider Rahi
 * Fenrakk Spawn - Related to the Fenrakk spiders; smaller Rahi
 * Fero - Rock Steed; owned by Skirmix
 * Field of Shadows - Area in the Zone of Darkness
 * Fields of Air - Fields containing Airweed
 * Fikou - Le-Wahi Rahi
 * Fikou Web - Webs created by Fikou
 * Fin Barbs - Weapons used by Matau Hordika
 * Fire - One of the six main Elements
 * Fire Burnak - Burnak
 * Fire Entity - Being made out of fire
 * Fire Gafna - Gafna
 * Fire Greatswords - Blades used by Toa Lhikan
 * Fire Mahi - Mahi
 * Fire Pits - Large holes filled with lava-hot protodermis in Ta-Metru
 * Fire Shield - Weapons used by the Tahnok
 * Fire Sword - Blade used by Toa Tahu
 * Fire Tribe - One of the tribes of Bara Magna
 * Firedracax - A Dark Hunter
 * Fireflyer - Rahi
 * Firestaff - Tool used by the Ta-Matoran to craft Mask; used by Turaga Vakama as his badge of office
 * First Rahi - Huge beasts
 * First Toa Team - The very first team of Toa (almost all dead)
 * Fishing Boat - Boat
 * Flame Claws - Claws carried by Malum
 * Flame Sword - Blade used by Ackar
 * Flaming Chains - Tools used by Karzahni
 * Flax - Object made from Harakeke and Cowrie Shells
 * Flax Gatherer - Ga-Matoran job
 * Flax Maker - Ga-Matoran job
 * Flute - Object used by the Le-Matoran to make music
 * Fohrok - Fake Bohrok created by the Nynrah Ghosts
 * Force Sphere - Section of the chutes that collapsed in on itself
 * Forest Navigator - Le-Matoran job
 * Forest of Blades - Forest filled with warriors trapped in trees
 * Fountains of Wisdom - Fountains in Ga-Metru
 * Frost Beetle - Ko-Metru Rahi
 * Frost Leech - Slug Rahi
 * Frostelus - Rahi
 * Fruit Stand Keeper - Matoran job
 * Furnace Salamander - Ta-Metru Rahi
 * Fusa - Rahi

G

 * "Gatherer" - A Dark Hunter
 * "Gladiator" - A Dark Hunter
 * "Guardian" - A Dark Hunter
 * Ga - Matoran prefix meaning "Water"
 * Ga-Kini - Temple dedicated to Gali
 * Ga-Koro - City of the Ga-Matoran on Mata Nui
 * Ga-Koro Beach - Beach near Ga-Koro
 * Ga-Koro Bridge - Bridge connecting Ga-Koro to the rest of Mata Nui
 * Ga-Koro Defense Force - Ga-Koro's military
 * Ga-Koro Kolhii Team - The Kolhii team from Ga-Koro
 * Ga-Koro Town Square - Two sections that six Matoran inhabited
 * Ga-Koro Waterfall - Kaukau-shaped carving water came out of; After it's destruction it was recreated in the form of a Kaukau Nuva
 * Ga-Matoran - Matoran of Water
 * Ga-Metru - City of the Ga-Matoran on Metru Nui
 * Ga-Metru Docks - Docks in Ga-Metru
 * Ga-Suva - Shrine to Toa Gali
 * Ga-Wahi - Water region of Mata Nui
 * Gaaki - Toa Hagah of Water;Rahaga of Water
 * Gaardus - Former Matoran; now Rahi-like hunter
 * Gadjati - Po-Matoran
 * Gadunka - Species of very tiny Rahi; one enlarged, but dead now
 * Gadunka - Enlarged member of it's species (deceased)
 * Gadgati - A Po-Matoran
 * Gadunka - Enlarged member of it's species
 * Gadunka - Species of very small Rahi
 * Gafna - Rahi
 * Gahdok - One of the Bahrag
 * Gahlok - Bohrok of Water
 * Gahlok-Kal - Bohrok Kal of Magnetism
 * Gahlok Va - Bohrok Va of Water
 * Galactic Universe - Universe the BIONICLE storyline takes place in
 * Gali - Toa Mata/Toa Nuva of Water
 * Gar - An Onu-Matoran
 * Garai - Mask of Gravity
 * Garan - An Onu-Matoran
 * Gate Guardian - Metru Nui Rahi
 * Gavla - Av-Matoran turned Shadow Matoran to aid Vamprah;Now Av-Matoran again
 * Gelu - Former Glatorian of the Ice Tribe
 * Ghekula - Rahi
 * Giant Axe - Axe used by Axonn
 * Giant Scorpion - Creature on Bara Magna
 * Giant Squid - Underwater Rahi
 * Glatorian - Title given to the warriors on Bara Magna
 * Glatorian Arena - Game featuring the early 2009 Glatorian
 * Glatorian Arena 2 - Game featuring all the Glatorian
 * Glatorian Arena 3 - Game featuring the Glatorian
 * Gnomon - Center of the sundial
 * Goko-Kahu - Flight Rahi
 * Gold Being's Fortress - Fort created by the Golden Skinned Being
 * Golden Armor - Special armor wielded by Tahu; meant as a plan in case Kraata went out of control
 * Golden Kanohi - Kanohi masks that give the user Hau, Kaukau, Pakari, Akaku, Miru, and Kakama powers
 * Golden Skinned Being - an unnamed fusion of a Steltian laborer, a Vortixx, a Zyglak, and the five remaining Piraka
 * Golyo - A Po-Matoran
 * Gorast - Makuta of the Tren Krom Peninsula (deceased)
 * Graalok - Rahi
 * Gravity - One of the secondary Elements
 * Gravity Shield - Weapon used by Nuvhok-Kal
 * Great Barrier - Dome created out of rock and protodermis that contained Metru Nui and the silver sea
 * Great Beings - Created Mata Nui, the Element Lords, the Baterra, and numerous other things
 * Great Being's Laboratory - Area near Tajun the Great Beings used to create the plans for the Great Spirit Robot
 * Great Cataclysm - An event that has caused many things to be damaged in the Matoran Universe
 * Great Claws - Weapons carried by Nuparu Inika
 * Great Disruption - Result of the Matoran Civil War
 * Great Disturbance - Also called the Matoran Civil War; dispute against boundaries and trade
 * Great Furnace - Largest Furnace in Ta-Metru
 * Great Kanohi - Kanohi masks with power between Noble and Legendary
 * Great Mine - Cavern opposite the Ta-Koro and Le-Koro highways
 * Great Spirit Robot - 40,000,000 foot tall robot containing the Matoran Universe
 * Great Telescope - Telescope on Mata Nui
 * Great Temple - Temple in Ga-Koro
 * Great Temple Squid - Squid living near the Great Temple
 * Great Tournament - Yearly Glatorian match tournament on Bara Magna
 * Great Ussal Race - Matoran sport
 * Great Volcano - Volcano on Bara Magna
 * Great War - 1,000 year period after the Great Rescue
 * Greg Farshtey - writer for the BIONICLE books, comics, and serials
 * Gresh - A Glatorian of the Jungle Tribe
 * Guard - Matoran with the job of guarding their villages/cities
 * Guard Spears - Spears used by the Ta-Koro Guard
 * Guardian Burnak - Burnak used by the Piraka to guard their fortress
 * Gukko Force - Le-Koro military
 * Gukko Force Member - Member of the Gukko Force
 * Guurahk - Rahkshi of Disintegration

H

 * "Hordika Dragons" - Dark Hunters
 * Hafu - A Po-Matoran
 * Hahli - A Ga-Matoran; Toa Inika/Toa Mahri of Water
 * Hahli's Hut - Hahli's house on Mata Nui
 * Hahnah - Crab-like Rahi
 * Hakann - A Dark Hunter; later Piraka
 * Hand of Artakha - Ancient group formed to protect the Matoran Universe (disbanded)
 * Hapaka - Dog-like Rahi
 * Harakeke Plant - Plant in Ga-Koro used to make flax
 * Hatchet - Tool used to cut bamboo
 * Hau - Mask of Shielding
 * Hau Nuva - Nuva Mask of Shielding
 * Heart of the Visorak - Cyrstal that, when it touched ground, summons every Visorak to that location
 * Heartlight - The hearts of Matoran, Toa, Turaga, and other species
 * Helryx - Very first Toa; Toa of Water; Leader of the Order of Mata Nui
 * Herald - The herald of the Seventh Toa
 * Heremus - Great Being; spent more time creating
 * Hero Agori - An Agori of the Fire Tribe
 * Hewer - Po-Matoran job
 * Hewkii - A Po-Matoran; Toa Inika/Toa Mahri of Stone
 * High-Speed Rotating Blade - Weapon carried by Toa Tahu Mistika
 * High Captain - Leader of the Onu-Koro military
 * Hikaki - Lizard-type Rahi; Also known as Dragon Lizards
 * Hoi Turtle - Rahi
 * Homelands/Locations of Dark Hunters - The homelands and locations of different Dark Hunters
 * Homelands/Locations of Order of Mata Nui - The homes and locations of Order of Mata Nui agents
 * Homelands/Locations of Other - The homes and locations of various others
 * Hope - Story taking place on Voya Nui
 * Hordika Spinner Challenge - Online game
 * Hordika Teeth - Nuju's Hordika weapons
 * Hordika Venom - Visorak venom that can turn beings into Hordika
 * Hoto - Ta-Wahi Rahi
 * Huai Snowball Sling - Sport played by Ko-Matoran
 * Huai Snowball Sling - Online game
 * Huna - Mask of Concealement
 * Husi - Ostrich-like Rahi
 * Hydraxon - Jailer of the Pit; Order of Mata Nui member
 * Hydro Blades - Tools carried by Toa Nokama
 * Hydruka - Collectors of air bubbles in Mahri Nui
 * Hydruka Guard - Mahri Nui Matoran job

I

 * Icarax - Makuta of Karzahni (deceased)
 * Ice - One of the six main Elements
 * Ice Axe - Axe used by Strakk
 * Ice Bat - Ko-Metru Rahi
 * Ice Blades - Blades used by Kopaka Nuva; doubled as skis
 * Ice Burnak - Burnak
 * Ice Carver - Ko-Matoran job
 * Ice Claws - Weapons wielded by the Kohrak Va
 * Ice Gafna - Gafna
 * Ice Gun - Blaster used by Thok
 * Ice Pick - Staff used by Turaga Nuju
 * Ice Shield - Shield carried by Kopaka Mata and Kopaka Nuva
 * Ice Shields - Weapons weilded by Kohrak
 * Ice Sword - Blade used by Kopaka Mata
 * Ice Tribe - One of the six main tribes of Bara Magna
 * Ice Vermin - Rahi
 * Icesmith - Ko-Matoran job
 * Iconox - Ice Tribe village in Bara Magna
 * Iden - Mask of Spirit
 * Idris - A Ga-Matoran
 * Ignalu - Lava surfing contests
 * Ignika - Legendary Mask of Life; made by the Great Beings
 * Ignition - Comics covering the adventures on Voya Nui, the Pit, and Karda Nui.
 * Ignition Comic 0: Ignition - Very first Ignition comic
 * Ignition Comic 1: If a Universe Ends - First Ignition comic
 * Ignition Comic 2: Vengeance of Axonn - Second Ignition comic
 * Ignition Comic 3: Showdown - Third Ignition comic
 * Ignition Comic 4: A Cold Light Dawns - Fourth Ignition comic
 * Ignition Comic 5: In Final Battle - Fifth Ignition comic
 * Ihu - A Ko-Matoran; also the name of a mountain on Mata Nui
 * Infected Kanohi - Kanohi masks infected by Teridax to control Rahi or beings on Mata Nui
 * Infernavika - Small bird Rahi
 * Inika Island Assault - Online Toa Inika game
 * Into the Darkness - Story about the adventure of Matora and Maxilos in The Pit
 * Irnakk - Thought to be a Skakdi myth
 * Iron - A secondary Element
 * Iron Canyon - Canyon on Spherus Magna
 * Iron Tribe - A tribe of Bara Magna nearly ended by the Dreaming Plague
 * Iron Wolf - Half-orgainic/half-metal beasts on Bara Magna
 * Iruni - Toa Hagah of Air; Rahaga of Air
 * Island Investigation - 2006 game

J

 * Krana Ja - Scout
 * Krana Ja Kal - Tracker
 * Jaa - A Ko-Matoran
 * Jaatikko - A Ko-Matoran
 * Jaller - A Ta-Matoran; Toa Inika/Toa Mahri of Fire, and leader of the team
 * Jaller's Hut - The hut Jaller lived in on Mata Nui
 * Jellyfish Lamp - Lamp used by Ga-Matoran
 * Jerbraz - Order of Mata Nui member; name comes from Jeremy brazeal
 * Jeremy Brazeal - Lego senior art director
 * Jetrax T6 - Vehicle stored in the Codrex
 * Johmak - Order of Mata Nui member
 * Journey of Takanuva - Book featuring Takanuva's adventures in the City of Silver Pocket Dimension
 * Journey's End (Book) - Book featuring Mata Nui's voyage into the Valley of the Maze and the Battle of Bara Magna
 * Jovan - Toa of Magnetism; Turaga of Voya Nui (deceased)
 * Jovan's Team - Toa team led by Jovan
 * Judgement Cannon - Weapon created by Artahka
 * Jungle Sanctuary - Temple in the heart of Voya Nui's jungle
 * Jungle Shield - Blade/shield used by Gresh
 * Jungle Tribe - Tribe on Bara Magna
 * Jutlin - The Great Mask of Coruption

K

 * "Kraata-Kal" - A Dark Hunter
 * Ka - Kongu's Gukko
 * Kabrua - Bota Magna Vorox; alpha male of a pack
 * Kadin - Mask of Flight
 * Kahgarak - Visorak breed; use Shadow field Rhotuka
 * Kahu - Bird Rahi
 * Kai - A Ga-Matoran
 * Kai's Hut - Hut Kai lived in on Mata Nui
 * Kailani - A Ga-Matoran
 * Kailani's Hut - Hut Kailani lived in on Mata Nui
 * Kaita - Fusions of Toa, Matoran, Rahkshi, Bohrok, or Turaga; usually require three beings
 * Kaj - An Onu-Matoran
 * Kakama - Great Mask of Speed
 * Kakama Nuva - Nuva Mask of Speed
 * Kalama - A Ta-Matoran
 * Kalmah - Barraki; member of the League of Six Kingdoms
 * Kamen - A Po-Matoran
 * Kane-Ra - Bull Rahi
 * Kanohi - Great or Noble Masks made from Kanoka Disks
 * Kanohi Dragon - Powerful dragon creature
 * Kanohi Nuva - Great Masks immersed in Energized Protodermis
 * Kanoka - Disks with various powers; can be carved into Kanohi
 * Kanoka Club - Page on BIONICLE.com where fans can enter Kanoka codes to get digital stuff
 * Kantai - A Ko-Matoran
 * Kapura - A Ta-Matoran
 * Karda Nui - Mata Nui's "Heart"; former home of the Av-Matoran
 * Kardas - Huge dragon Rahi
 * Karzahni - An entity who originally fixed Matoran (deceased)
 * Karzahni - A prototype plant created by Teridax (deceased)
 * Karzahni - Land where Matoran were tortured by Karzahni; real name forgotten (destroyed)
 * Karzahni Volcano - Volcano on the island Karzahni; Ice erupted instead of lava
 * Katana - Weapons used by the Lehvak Va
 * Kaukau - Mask of Water Breathing
 * Kau Kau Staff - Turaga Matau's badge of office
 * Kaukau Nuva - Nuva Mask of Water Breathing
 * Kavinika - Rahi
 * Kaxium V3 - Two-man separating motorcycle vehicle
 * Kazi - A Ko-Matoran
 * Keahi - A Ta-Matoran
 * Keahi's Cliff - Ledge where Keahi patrolled
 * Keelerak - Visorak breed; use acid Rhotuka
 * Keerakh - Vahki model
 * Keetongu - Rahi with Hordika Venom curing powers
 * Keetongu and Tahtorak's Homeland - Homeland of Keetongu's species and the Tahtorak
 * Kelp Weed - Plant found near Mahri Nui
 * Keras - Crab Rahi
 * Kewa - Bird Rahi
 * Kewa Bird Riding - Le-Matoran sport
 * Keystone - Key to the Codrex; Told how to awaken the Great Spirit Mata Nui
 * Ki-Nui - Hole the Kestone had to be inserted in to on the Codrex
 * Kiina - A Glatorian from the Water Tribe
 * Kikanalo - Rhino-like Rahi
 * King Root - Lead Morbuzakh root
 * Kini-Nui - Temple located in the center of Mata Nui
 * Kinloka - Experimental Rahi
 * Kio - Matoran Measurement; equal to 1,000 bio
 * Kirbold - An Agori of the Ice Tribe
 * Kirbraz - An Agori of the Water Tribe
 * Kirikori Nui - Locust Rahi
 * Kiril - Mask of Regeneration
 * Kirop - An Av-Matoran from Karda Nui - was transsformed into a Shadow Matoran and was an aid to Chirox;Now Av-Matoran again
 * Kivi - Po-Matoran
 * Klakk - Rahi with the power to cure beings of shadow with a sonic scream, destroying the mental barrier that keeps light out
 * Knee Island - Location on Bara Magna
 * Knowledge Tower - Place where Ko-Matoran could study
 * Ko - Matoran prefix meaning "Ice"
 * Ko-Kini - Temple dedicated to Kopaka
 * Ko-Koro - Village of the Ko-Matoran on Mata Nui
 * Ko-Koro Guard - Ko-Koro military
 * Ko-Koro Kolhii Team - Kolhii team from Ko-Koro
 * Ko-Matoran - Matoran of Ice
 * Ko-Metru - City of the Ko-Matoran on Metru Nui
 * Ko-Suva - Shrine to Toa Kopaka
 * Ko-Wahi - Ice region of Mata Nui
 * Ko-Wahi Beach - Beach near Ko-Wahi
 * Kodan - Po-Matoran
 * Kodan Ball - Object created when putting Pohatu's Climbing Claws together; named after the Matoran Kodan
 * Kohrak - Bohrok of Ice
 * Kohrak-Kal - Bohrok Kal of Sonics
 * Kohrak Va - Bohrok Va of Ice
 * Kojol - Makuta of Arthaka (deceased)
 * Kokkan - A Ko-Matoran
 * Kokkan's Shop - Shop owned by Kokkan
 * Kolhii - Sport played by the Matoran of Mata Nui
 * Kolhii Ball - Small sphere used when playing Kolhii
 * Kolhii Champion - Title given to the Matoran who won the Kolhii Tournament
 * Kolhii Shield - Shields used when playing Kolhii
 * Kolhii Stick - Sticks with a hammer and scoop used to play Kolhii
 * Kolhii Tournament - Contest between the three best Kolhii teams on Mata Nui against each other
 * Komau - Mask of Mind Control
 * Kongu - A Le-Matoran; Toa Inika/Toa Mahri of Air
 * Kongu Mahri's Tool - Melee weapon carried by Kongu; discarded for a Cordak Blaster
 * Kopaka - Toa Mata/Toa Nuva of Ice
 * Kopeke - A Ko-Matoran
 * Koro - Villages on Mata Nui
 * Kotu - A Ga-Matoran
 * Kraahkan - Mask of Shadows
 * Kraahu - Specialized Vahki model
 * Kraata - Creatures that can control Rahkshi and infect Kanohi for Makuta's will
 * Kraata Virus - Viruses spread by Kraata
 * Kraatu - Rahi
 * Kraawa - Rahi
 * Krahka - Intellegent Shapeshifting Rahi
 * Krakua - Toa of Sonics; Order of Mata Nui member
 * Kralhi - Prototype Vahki
 * Krana - Parasitic objects that are the minds of Bohrok
 * Krana-Kal - Krana for Bohrok Kal
 * Kranua - Specialized Vahki model
 * Kratana - Creatures who can see the past or future
 * Krekka - Dark Hunter (deceased)
 * Krekka's Species - Species that Krekka came from
 * Krika - Makuta of Zakaz (deceased)
 * Kualsi - Mask of Teleportation
 * Kualus - Toa Hagah of Ice; Rahaga of Ice
 * Kuma-Nui - Bear-like Rahi
 * Kumo - A Le-Matoran
 * Kurahk - Rahkshi of Anger
 * Kylma - Ko-Matoran
 * Kyrehx - A Ga-Matoran
 * Kyry - Agori of the Fire Tribe

L

 * "Lurker" - A Dark Hunter
 * Lab Worker - Matoran who work in a lab
 * Lake of Protodermis - Small pool of Protodermis on Voya Nui
 * Laser Axe - Hewkii Inika's Toa Tool
 * Laser Crossbow - Kongu Inika's Toa Tool
 * Laser Drill - Nuparu Inika's Toa Tool
 * Laser Harpoon - Hahli Inika's Toa Tool
 * Lariska - Dark Hunter
 * Lava-gem - Gem used to control a Volcano in the Tren Krom Peninsula
 * Lava Launcher - Blaster used by Hakann
 * Lava Spear - Spear weapon used by Toa Hagah Norik
 * Le - Matoran prefix meaning "Air"
 * Le-Matoran - Matoran of Air
 * Le-Metru - City of the Le-Matoran on Metru Nui
 * Le-Koro - Village of the Le-Matoran on Mata Nui
 * Le-Suva - Shrine to Toa Lewa
 * Le-Wahi - Jungle region of Mata Nui
 * League of Six Kingdoms - Group consisting of the Barraki and their armies
 * Legendary Kanohi - Very powerful Kanohi that controlled a fundamental force of the universe
 * Leigh Gallagher - Comic artist
 * Lein - An Agori of the Jungle Tribe (deceased)
 * Lehvak - Bohrok of Acid
 * Lehvak-Kal - Bohrok-Kal of Vacuum
 * Lehvak Va - Bohrok Va of Acid
 * Lerahk - Rahkshi of Poison
 * Lewa - Toa Mata/Toa Nuva of Air
 * Lhii - Fictional Ta-Matoran; Used to keep memories of Lhikan
 * Lhikan - A former Toa of fire; Turaga of Fire (deceased)
 * Lhikan I: Vahki Transport
 * Lhikan II: A aircraft built by parts from Vahki transports
 * Life - Legendary Element
 * Lifeblade - Toa Ignika's Toa Tool
 * Life Counters - Special counters used in the Glatorian Action Figure Game
 * Light - One of the Secondary Elements
 * Lightning - One of the Secondary Elements
 * Lumi - A Ko-Matoran

M

 * "Mimic" - A Dark Hunter
 * "Minion" - A Dark Hunter
 * Macku - A Ga-Matoran
 * Maglya - A Ta-Matoran
 * Magma Swords - Blades used by Tahu Nuva;doubled as Lava board
 * Magnetic Bolt Launcher - One of Toa Jovan's Toa Tools
 * Magnetism - a secondary Element
 * Mahi - Also known as Maha; lived on the plains of Mata Nui
 * Mahi Herder - Job involving Matoran herding Mahi and taking care of them
 * Mahiki - Mask of Illusions
 * Mahri Nui - underwater city outside the Matoran Universe; later destroyed when Voya Nui fell back into place.
 * Makani - A Le-Matoran
 * Makuta - Gaseous, shapeshifting species
 * Makuta Fish - A species of fish named after Makuta by Matau because of their evil appearance
 * Makuta of Stelt - Unknown Makuta assigned to the island of Stelt (deceased)
 * Makuta Pool - Pool containing Antidermis
 * Makuta Virus - A virus created by the Makuta species to put Mata Nui to sleep
 * Malum - An exiled Glatorian from Vulcanus;former secondary Glatorian
 * Mamoru - A Onu-Matoran
 * Mana-Ko - Teridax's guard Rahi; Order of Mata Nui servants
 * Manas - Crab Rahi
 * Manas Zya - Command Hydraxon used to get Spinax to attack somebody
 * Mantax - A Barraki
 * Manutri - Voya Nui Rahi; some armed with Squid Launchers/Cordak Blasters
 * Marendar - A robot weapon programmed to annihilate all Toa. Also the Agori word for "salvation."
 * Marka - A Ga-Matoran
 * MaskofDestiny - Inactive BIONICLE fan-site
 * Mask Maker - A Matoran who make masks
 * Mask of Adaptation - Allows user to adapt to environment
 * Mask of Aging - Ages one or more beings, weakening and slowing them
 * Mask of Biomechanics - Lets user control technology
 * Mask of Charisma - Lets user force target to agree with the user's goals
 * Mask of Clairvoyance - Lets user see glimpses of the near future
 * Mask of Conjuring - Lets user briefly program a power into the mask
 * Mask of Creation - Allows user to create anything out of raw materials
 * Mask of Elemental Energy - Lets user recharge elemental energy
 * Mask of Emulation - Lets user copy powers from other beings
 * Mask of Fusion - Lets user forcibly merge targets
 * Mask of Growth - Allows user to grow up to a maximum of 60 feet.
 * Mask of Healing - Lets user heal wounds and diseases
 * Mask of Incomprehension - Lets user disable speaking/writing abilities for up to 10 minutes
 * Mask of Intangibility - Allows user to become intangible
 * Mask of Light and Shadow - Lets user use the powers of the Avohkii and Kraahkan
 * Mask of Mutation - Lets user mutate another being into whatever they want
 * Mask of Possibilities - Lets user make situations more or less likely to happen
 * Mask of Psychometry - Lets the user see the history of whatever they touch; can't be used on living or multiple beings
 * Mata Nui - The Great Spirit of the Matoran Universe
 * Mata Nui - An island on the surface of Aqua Magna (destroyed)
 * Mata Nui Military - The combined military forces of Mata Nui
 * Mata Nui Online Game - Game showing the Toa Mata's arrival, Teridax's fight against the Toa Mata, and the awakening of the Bohrok
 * Mata Nui Online Game II: The Final Chronicle - Game where Hahli travels around doing various things
 * Mata Nui Saga - Video series depicting Mata Nui's past and present
 * Mata Nui Stone - Rocks used in stories to represent the Great Spirit.
 * Matatu - Mask of Telekenisis
 * Matau - Le-Matoran; former Toa Metru/Toa Hordika of Air; Turaga of Air
 * Matoran - Workers; People of Mata Nui
 * Matoran Language - Speaking and writing system used by the Matoran
 * Matoran of Lightning - Matoran with innate Lightning powers
 * Matoran of Magnetism - Matoran with inacccessable Magnetism powers
 * Matoran of Plasma - Matoran with innate Plasma powers
 * Matoran of Plantlife - Matoran with inaccessable Plantlife powers
 * Matoran Nui - Fusion of six Matoran of different elements
 * Matoran Sphere - Pods Matoran from Metru Nui were put into to lose memory
 * Matoran Universe - The universe in which the Matoran population originally lived in
 * Matoro - Ko-Matoran; Toa Inika/Toa Mahri of Ice (deceased)
 * Mangai Volcano - Volcano on Mata Nui
 * Mangaia - Teridax's lair on Mata Nui;contained the gate to Metru Nui
 * Mavrah - Onu-Matoran
 * Maxilos - Robot guards serving the Order of Mata Nui
 * Mazeka - Ko-Matoran;Order of Mata Nui member
 * Meet the Mistika - Promo video and commercial for the Mistika.
 * Messenger - A Matoran job
 * Metru - Matoran suffix meaning "city"
 * Metru Nui - Also known as "city of legends; "Mata Nui's "brain."
 * Metus - Agori of the Ice Tribe;Glatorian recruiter and trainer
 * Midak - Onu-Matoran obsessed with light
 * Midak Skyblaster - Light blaster named after the Matoran Midak
 * Miner - A Matoran job
 * Mio - Matoran Measurement; equal to 1,000 kio and 1,000,000 bio
 * Miserix - Former leader of the Brotherhood of Makuta
 * Mistika - Matoran word for "Spirits of the Mist"
 * Miru - Mask of Levitation
 * Miru Nuva - Nuva Mask of Levitation
 * Morbuzahk - Plant creature who wanted to control over Metru Nui
 * Mount Valmai - Volcano on Voya Nui
 * Mohtrek - Mask of Time Duplication
 * Morak - Hydruka
 * Mount Ihu - Ice-covered mountain on Mata Nui
 * Mount Valmai - Volcano on Voya Nui
 * Mountain in Balance - Unstable structure in Po-Metru
 * Mountain Stronghold - Fortress of the Voya Nui Resistance Team
 * Motara Desert - Desert in the Po-Wahi region
 * Muaka - Tiger-like Rahi;immune to stasis
 * Multi-Resistance Shield - Shield used by Onua in Karda Nui

N

 * Naho - A Toa of Water (deceased)
 * Nektann - a Skakdi
 * Nektann Robots - Robotic defenses used by Skakdi; look like Zamor Launchers
 * Net - An object
 * Nidhiki - A Toa of Air;later a Dark Hunter (deceased)
 * Niels Brinck - Cryoshell singer
 * Nikila - A Toa of Lightning (deceased)
 * Nireta - A Ga-Matoran
 * Nixie - A Ga-Matoran
 * Noble Kanohi - Weakened versions of Great Kanohi
 * Nocturn - Ally of the Barraki;Ehlek's lieutenant (deceased)
 * Nokama - A Ga-Matoran;Toa of Water;Turaga of Water
 * Norik - A Toa Hagah of Fire;later Rahaga of Fire
 * Nova Blast - Elemental explosion created when a Toa releases all of their Elemental energy at once
 * Nuju - A Ko-Matoran;Toa of Ice;Turaga of Ice
 * Nuhrii - A Ta-Matoran
 * Nuhvok - Bohrok of Earth
 * Nuhvok Kal - Bohrok Kal of Gravity
 * Nuhvok Va - Bohrok Va of Earth
 * Nui-Jaga- A scorpion-like Rahi
 * Nui Rama- A flyinng Rahi
 * Nuparu - A Onu-Matoran;later Toa of Earth
 * Nuurakh - Vahki model
 * Nuva Cube - A mysterious object which works as a key to the Bahrag's Toa Seal
 * Nuva Symbols - Objects containing the powers of the Toa Nuva; keys to unlock the Nuva Cube
 * Nynrah - Island where the Fe-Matoran worked on weapons
 * Nynrah Ghostblasters - Weapons used by the Toa/Makuta in the Swamp of Secrets
 * Nynrah Ghosts - About four dozen Fe-Matoran that worked on weapons and armor

O

 * Odina - Matoran Universe island;Dark Hunter main headquarters
 * Odina Cliffs - Mountains surrounding Odina
 * Okoth - A Ga-Matoran
 * Olmak - Mask of Dismensional Gates
 * Olisi - Mask of Alternate Futures
 * Onewa - A Po-Matoran; Toa Metru/Toa Hordika of Stone; Turaga of Stone
 * Onepu - An Onu-Matoran
 * Online Games - Games accessible online
 * Onu - Matoran prefix meaning "Earth"
 * Onu-Matoran - Matoran of Earth
 * Onu-Metru - One of the parts of Metru Nui - contained the Archives
 * Onu-Koro - Village of the Onu-Matoran on Mata Nui
 * Onu-Suva - Shrine to Toa Onua
 * Onu-Wahi - Underground region of Mata Nui
 * Onua - The Toa Mata/Toa Nuva of Earth
 * Oohnorak - Visorak breed;use numbing Rhotuka
 * Order of Mata Nui - A secret society dedicated to serving the will of Mata Nui
 * Orkahm - A Le-Matoran
 * Orde - First Toa of Psionics;one of the first Toa created

P

 * "Phantom" - Dark Hunter
 * "Primal" - Dark Hunter
 * "Poison" - Dark Hunter
 * "Prototype" - Dark Hunter
 * Pahrak - Bohrok of Stone
 * Pahrak Kal - Bohrok Kal of Plasma
 * Pahrak Va - Bohrok Va of Stone
 * Pakari - Mask of Strength
 * Pakari Nuva - Kanohi Nuva of Strength
 * Pakastaa - Ko-Matoran
 * Panrahk - Rahkshi of Shattering
 * Pehkui - Mask of Diminishment
 * Pekka - Po-Matoran
 * Pelagia - Ga-Matoran
 * Phantoka - Matoran word for "Spirits of the Air"
 * Photok - Av-Matoran
 * Piatra - Po-Matoran
 * Pickaxe - A common mining tools amongst the Matoran
 * Piraka - Six Ex-Dark Hunters; Thieves and Murderers
 * Piruk - Le-Matoran
 * Place of Shadow - Location on the border of Ta-Wahi and Ko-Wahi; home of the Rahi Nui
 * Plasma - a secondary Element
 * Po - Matoran prefix meaning "Stone"
 * Po-Matoran - Matoran of Stone
 * Po-Metru - City of the Po-Matoran on Metru Nui
 * Po-Koro - Village of the Po-Matoran on Mata Nui
 * Po-Suva - Shrine to Toa Pohatu
 * Po-Wahi - Desert region of Mata Nui
 * Pohatu - Toa Mata/Toa Nuva of Stone
 * Pop Mhan - artist for the 2009 and 2010 comics
 * Power Carvers - Weapons used by Velika
 * Power Lance - Spear-type weapon used by Takanuva as a Toa of Light and Shadow
 * Power Source - Huge amount of energy used to power the Prototype Robot
 * Power Sword - Jaller Mahri's Toa Tool
 * Power Swords - Blades carried by Av-Matoran
 * Powers - Abilities weilded by Kanohi, Toa, Makuta, and various others
 * Pouks - Toa Hagah of Stone; Rahaga of Stone
 * Pridak - Leader of the Barraki
 * Protodax - Creature made up of numerous Protodites
 * Protodermis - Substance capable of many things
 * Protodermis Farmer - A Matoran job
 * Protodites - Microscopic Rahi
 * Protosteel - BIONICLE world's strongest known metal
 * Proto Pitons - Toa Metru Onewa's Toa Tools
 * Protosteel Talons - Weapon carried by Hahli Mahri
 * Prototype Robot - Giant robot on Bara Magna; failed experiment by the Great Beings
 * Psionics - a secondary Element
 * Pulse Bolt Generators - Weapons used by Garan
 * Purple and Black Entities - Beings living in the City of Silver pocket dimension and the Red Star

Q

 * Quake Breakers - Onua Nuva's Toa Tools;doubled as treads
 * Quarry - Area on Mata Nui with statues that look like the Toa Mata's Kanohi
 * Quarry Master - Po-Matoran job

R

 * "Ravager" - Dark Hunter
 * Raanu - Agori of the Fire Tribe;Leader of the Fire Tribe
 * Radiak - Av-Matoran turned Shadow Matoran; aid to Antroz; Av-Matoran once again
 * Rahaga - Toa Hagah that were mutated by Roodaka into half Rahkshi, half Turaga beings called Rahaga
 * Rahi - Matoran Universe's animals; means "not us" in Matoran
 * Rahi Nui - Frankenstien like monster of many different types of Rahi
 * Rahkshi - Kraata that have been transformed into mechanical suits; known as the "sons of Makuta."
 * Rahkshi Kaita - Fusion of three different types of Rahkshi
 * Rahkshi of Heat Vision - Rahkshi with heat vision powers
 * Rahkshi of Insect Control - Orange Rahkshi with powers over insects
 * Rahkshi of Weather Control - Golden Rahkshi with weather powers
 * Rahkshi Powers - Special powers wielded by the various types of Rahkshi
 * Rau - Mask of Translation
 * Razor-Edged Protosteel Shield - Shield carried by Nuparu Mahri
 * Razorfish - Fish Rahi;somehow related to the Razor Whales
 * Razor Whale - Fish Rahi;somehow related to the Razorfish
 * Razor Whale's Teeth - Rock formation in the middle of the Barraki's territory; Nocturn's favorite place to go.
 * Red Star - Star responsible for the Toa Inika and used to tell the future; also used for transportation of the Matoran Universe
 * Reidak - Former Dark Hunter;Piraka
 * Reysa - Onu-Matoran
 * Rhotuka - Spinners with many types of powers
 * Rhotuka Launching Shield - Shields used by Toa Hagah
 * Rigging - A valuable object
 * River Dormus - River on Spherus Magna; contained the Spirit's Wish
 * Rock - Bara Magna element;equivalent of Matoran Universe element Stone
 * Rock Raptor - Rahi in Po-Metru
 * Rock Steeds - Reptiles on Bara Magna; used mainly by Skrall and Bone Hunters
 * Rock Tribe - Tribe of Bara Magna
 * Rockoh T3 - Vehicle stored in the Codrex
 * Rode - Mask of Truth
 * Roodaka - Viceroy of the Visorak
 * Roporak - Visorak breed;use disrupting Rhotuka
 * Rotating Blades - Brutaka's weapon
 * Rorzakh - Vahki model
 * Roxtus - Village of the Rock Tribe
 * Rua - Great Mask of Wisdom
 * Rua Nuva - Kanohi Nuva Mask of Wisdom
 * Ruki Fish - Fish Rahi; Enemy of the Tarakava
 * Ruru - Mask of Night Vision

S

 * "Savage" - Dark Hunter
 * "Seeker" - Dark Hunter
 * "Shadow Stealer" - Dark Hunter
 * "Silence" - Dark Hunter
 * "Spinner" - Dark Hunter
 * "Subterranean" - Dark Hunter
 * Sahmad - Agori of the Iron Tribe
 * Sand - Bara Magna Element
 * Sand Stalker - Beast on Bara Magna
 * Sand Tarakava - Tarakava sub-species
 * Sand Tribe - Bara Magna Tribe
 * Sanok - Mask of Accuracy
 * Sanso - Le-Matoran
 * Sarda - Ta-Matoran
 * Saw Blade Shield - Shields carried by the Skrall
 * Scarabax - Beetle-type creatures on Bara Magna
 * Scarabax Shield - Shield that Click transforms into
 * Scholar - A Matoran job
 * Scodonius - Agori of the Water Tribe
 * Scroll of Preparations for Mata Nui's Awakening - A scroll of deeds that need to be done before Mata Nui is awakened
 * Seaweed - Resource in Ga-Koro
 * Sea of Liquid Sand - Area filled with liquid-like sand on Bara Magna
 * Sea of Protodermis - Floor of the Coliseum
 * Sea Sled - Vehicle built by Lesovikk out of the remains of the Ussanui
 * Seismic Pickaxe - Weapon carried by Avak
 * Seismic Spear - Spear carried by Toa Hagah Bomanga
 * Sentrahk - Dark Hunter
 * Shadow - A secondary Element; usually wielded by Makuta
 * Shadow Leech - Creature created to suck light out of a being
 * Shadow Leech Hive - Shadow Leech storage in Karda Nui
 * Shark Tooth Blade - Carried by Pridak; made from Takea Shark teeth
 * Shasa - Ga-Matoran
 * Shelek - Mask of Silence
 * Shredder Claws - Piruk's tools
 * Shu - Le-Matoran
 * Sidorak - King of the Visorak; Dark Hunter (deceased)
 * Sidorak's Species - Species living on the island Stelt
 * Singing Squid - Non-canon video of a squid singing like it's in an opera
 * Sisters of the Skrall - Female Skrall; were given Psionic powers, then banished
 * Skakdi - Brutal species in the Matoran Universe
 * Skirmix - Bone Hunter
 * Skopio - Bio-mechanical scorpion-like creature on Bara Magna
 * Skopio XV-1 - Vehicle modeled off the Skopio creature
 * Skrall - One of the three main species of Bara Magna
 * Skrall River - River controlled by the Skrall
 * Skyboard - Vehicle ridden by Toa Ignika
 * Skyfighter - Vehicle piloted by Vultraz
 * Solek - Av-Matoran
 * Solidified Air Bubbles - Allows Mahri Nui Matoran to breathe outside Mahri Nui
 * Solis Magna - Sun
 * Solis Magna System - Solar System of the BIONICLE storyline
 * Sonic Entity - Being made entirely out of sonic force
 * Sonic Vibration Sword - Krakua's Toa Tool
 * Southern Islands - Chain of small islands in the southern area of the Matoran Universe
 * Souvenir Shop - Stands on Mata Nui and Metru Nui selling things from their region
 * Spear of Fusion - Blade used to fuse/de-fuse beings/objects
 * Spherus Magna - Seperated into three parts during the Shattering, now reformed
 * Spider Crab - Used by Barraki as steeds
 * Spinax - Energy Hound
 * Spinning Shields - Weapons used by Keetongu
 * Spiny Stone Ape - Rahi; symbolic relationship to Rock Raptors
 * Spirit's Wish - Teleportation device created by the Great Beings
 * Squid - Organic Rahi; ammo used by the Barraki
 * Squid Launcher - Blasters used by the Barraki
 * Staff of Absorption - Vorahk's Rahkshi staff
 * Staff of Anger - Kurahk's Rahkshi staff
 * Staff of Artakha - Staff with tons of power
 * Staff of Disintegration - Guurahk's Rahkshi staff
 * Staff of Fear - Turahk's Rahkshi staff
 * Staff of Fragmentation - Panrahk's Rahkshi staff
 * Staff of Heat Vision - Staffs carried by Rahkshi of Heat Vision
 * Staff of Light - Takanuva's original Toa Tool
 * Staff of Poison - Lerahk's Rahkshi Staff
 * Stelt - Homeland of Sidorak and Krekka's species
 * Stone - One of the six main Elements
 * Strakk - Former prime Glatorian of the Ice Tribe
 * String - An object
 * Stronius - Elite-class Skrall
 * Stuart Sayger - Comic artist for part of the Ignition series
 * Krana Su - Worker
 * Krana Su Kal - Demolisher
 * Sub-Zero Spear - Toa Hagah Kualus' Toa Tool
 * Suletu - Mask of Telepathy
 * Surel - A warrior who was hurt badly in the Energized Protodermis War
 * Suukorak - Visorak breed; use shock Rhotuka
 * Suva - Toa shrine
 * Suva Kaita - Suva located in the center of Kini Nui
 * Swamp of Secrets - Swamp of Karda Nui
 * Swamp Strider - Vehicle piloted by Mazeka (destroyed)

T

 * "The Legend Continues" Matoran - An Onu-Matoran and a Po-Matoran
 * "The Melding" Parallel Universe - Alternate Universe
 * "The Recorder" - Dark Hunter; recorded everything "The Shadowed One" said
 * "The Shadowed One" - The Dark Hunters leader
 * "Tracker" - Dark Hunter
 * "Tyrant" - Dark Hunter
 * T-Series - Vehicles created by Artakha; stored in the Codrex; used by the Toa Nuva to escape Karda Nui
 * Ta - Matoran prefix meaning "Fire"
 * Ta-Matoran - Matoran of Fire
 * Ta-Metru - Ta-Matoran city on Metru Nui
 * Ta-Koro - Village of the Ta-Matoran on Mata Nui
 * Ta-Koro Guard - Ta-Koro's branch of military on Mata Nui
 * Ta-Suva - Shrine to Toa Tahu
 * Ta-Wahi - Volcanic region of Mata Nui
 * Tahnok - Bohrok of Fire
 * Tahnok Kal - Bohrok Kal of Electricity
 * Tahnok Va - Bohrok Va of Fire
 * Tahtorak - Massive, Matoran-speaking Rahi
 * Tahu - Toa Mata/Toa Nuva of Fire
 * Taiki - Le-Matoran
 * Taipu - Onu-Matoran
 * Tajun - Village of the Water Tribe
 * Takadox - Barraki
 * Takea - Predator Rahi
 * Takea/Ray Hybrid - Mutant Rahi; used as steeds by Rahi
 * Talon Snakes - Creatures on Bara Magna
 * Takua/Takanuva - Av-Matoran; Chronicler; Toa of Light
 * Talvi - Ko-Matoran
 * Tamaru - Le-Matoran
 * Tanma - Av-Matoran
 * Tarakava - Lizard-type Rahi
 * Tarduk - Agori of the Jungle Tribe
 * Tarix - A Glatorian of the Water Tribe; Prime Glatorian
 * Tehutti - Onu-Matoran
 * Telluris - Renegade Warrior on Bara Magna
 * Temple of Courage - Temple in Ta-Wahi; dedicated to sub-virtue of courage
 * Temple of Creation - Temple in Po-Wahi; dedicated to sub-virtue of creation
 * Temple of Faith - Temple in Le-Wahi; dedicated to sub-virtue of faith
 * Temple of Peace - Temple in Ko-Wahi; dedicated to sub-virtue of peace
 * Temple of Prosperity - Temple in Onu-Wahi; dedicated to sub-virtue of prosperity
 * Temple of Purity - Temple in Ga-Wahi; dedicated to sub-virtue of purity
 * Tesara - Village of the Jungle Tribe; also known as "The Twin Village"
 * Teridax - Leader of the Brotherhood of Makuta (deceased)
 * The Melding Teridax - Teridax of The Melding universe; unlike his main counterpart, this one is good and wields the element of Light
 * The Final Battle Animation - 2 minute movie describing the Toa Nuva's quest in Karda Nui
 * Terry Shakespeare - Director of three BIONICLE movies
 * The Madness - Disease spread through the Comet ball to Po-Koro
 * The Mountain - A living mountain on Xia; originally a sentient rock
 * The Pit - Bionicle prison in the ocean of Aqua Magna
 * The Plan - Teridax's plan to overthrow Mata Nui
 * The Shattering - Term referring to Spherus Magna's separation
 * Thok - Dark Hunter; Piraka (fused)
 * Thornatus - Vehicles used for transport/battle on Bara Magna
 * Thornax - Fruit on Bara Magna
 * Thornax Launcher - Blasters used by Glatorian
 * Thorned Club - Elite Skrall weapon
 * Three-Blade Scissor - Blade wielded by Zaktan
 * Throne of Stone - Rock sculpture; represented the rebellion of some Toa in the Toa Empire universe
 * Thulox - Hydruka
 * Thumpers - Toa Hordika Whenua's Toa Tools
 * Tidal Spear - Toa Hagah Gaaki's Toa Tool
 * Tiribomba - Ta-Matoran
 * Tiro Canyon - Po-Wahi canyon
 * Toa - Heroes who control their Elemental and Kanohi powers
 * Toa\Dark Hunter War - War on Metru Nui between the Toa there and the Dark Hunters
 * Toa Canister - Pod-like cans that could be used for travel by Toa
 * Toa Canister Builder - Matoran who created Toa Canisters
 * Toa Empire - Existed in an alternate universe; leader is Tuyet
 * Toa Hagah - Bodyguards to the Brotherhood of Makuta
 * Toa Hagah\Rahaga - Teridax's Toa Hagah team; later turned into half-Turaga/half-Rahkshi beings known as Rahaga; later turned back into Toa
 * Toa Hordika - Half-Toa/Half-Beast beings transformed by Hordika Venom
 * Toa Inika - Six Matoran who were zapped by lightning from the Red Star
 * Toa Kaita - Fusions composed of three Toa of different elements
 * Toa Mahri- The Toa Inika transformed into water breathers when the Ignika shot them with a flash of light while going into Mahri Nui
 * Toa Mangai - Early Toa Team that protected Metru Nui
 * Toa Mata - Six Toa who came from the heavens to awaken Mata Nui and defeat Makuta
 * Toa Metru - Six Matoran Lhikan chose to become Toa
 * Toa Nuva - The Toa Mata were immersed in energized protodermis and came out more powerful and could share their mask powers with another Toa nearby
 * Toa of Fire - Toa who controlled the element of Fire
 * Toa of Water - Toa who controlled the element of Water
 * Toa of Earth - Toa who controlled the element of Earth
 * Toa of Stone - Toa who controlled the element of Stone
 * Toa of Air - Toa who controlled the element of Air
 * Toa of Ice - Toa who controlled the element of Ice
 * Toa of Lightning - Toa who controlled the element of Lightning
 * Toa of Magnetism - Toa who controlled the element of Magnetism
 * Toa of Plasma - Toa who controlled the element of Plasma
 * Toa of Gravity - Toa who controlled the element of Plasma
 * Toa of Sonics - Toa who controlled the element of Sonics
 * Toa of Light - Toa who controlled the element of Light
 * Toa of Iron - Toa who controlled the element of Iron
 * Toa of Psionics - Toa who controlled the element of Psionics
 * Toa of Plantlife - Toa who controlled the element of Plantlife
 * Toa Power - A Toa's energy; if used up, would turn them into Turaga
 * Toa Stone - Objects that contained a Toa's power
 * Toa Suva - Suva in Metru Nui's Great Temple
 * Toa Teams - Groups of Toa; normally had six per team
 * Toa Terrain Crawler - Underwater Rahi; vehicle used by the Toa Mahri
 * Toa Tools - Special weapons carried by Toa
 * Tobduk - Order of Mata Nui agent
 * Toudu - Ko-Matoran
 * Treespeak/Chutespeak - Slang used by the Le-Matoran
 * Tren Krom - An entity who controlled the Matoran Universe before Mata Nui (deceased)
 * Tren Krom's Island - The island Tren Krom was banished to
 * Tren Krom Peninsula - Location on the Northern Continent
 * Tren Krom Break - Location on Mata Nui
 * Tri-Claw - Toa Tool used by Dark Hunter "Savage"
 * Tri-Talons - Claws fused to Ehlek
 * Tridax - Commander of Destral (deceased)
 * Tridax Pods - Special spheres containing Shadow Leeches; named after Makuta Tridax
 * Trident - Carried by Nikila and Turaga Nokama
 * Triglax - Dark Hunter (deceased)
 * Trinuma - Order of Mata Nui member
 * Tryna - Mask of Reanimation
 * Tuma - Leader of the Skrall
 * Turaga - Toa who have given up their elemental powers
 * Turaga Kaita - Fusion of four Turaga
 * Turaga Nui - Fusion of six Turaga
 * Turaga Tools - Tool used to symbolize a Turaga's experience and knowledge
 * Turahk - Rahkshi of Fear
 * Tuuli - Le-Matoran
 * Tuyet - Toa of Water; member of the Toa Mangai
 * Twin Chargers - Weapons carried by Dalu
 * Twin Cutter - Toa Mahri Matoro's Toa Tool
 * Twin Knives - Daggers used by Takadox.
 * Twin Propellers - Toa Nuva Pohatu's Toa Tools in Karda Nui
 * Twin Repellers - Blades carried by Balta
 * Twin Slicers - Blades carried by Dark Hunter "Spinner"

U

 * Umbra - Member of the Order of Mata Nui; Ignika Guardian
 * Umbra and Protodax's Chamber - The underground chamber Umbra and Protodax were meant to guard
 * United Village - Combination of the villages of Tesara, Tajun, Iconox, and Vulcanus.
 * Unknown Toa of Gravity - A Toa of Gravity (deceased)
 * Unknown Toa of Plantlife - A Toa of Plantlife (deceased)
 * Unknown Toa of Plasma - A Toa of Plasma (deceased)
 * Unknown Toa of Sonics - A Toa of Sonics (deceased)
 * Unnamed Av-Matoran - An unknown Av-Matoran who is possibly insane
 * Ussal Crab- A friendly Rahi, used for carrying cargo, help digging crews, and other helpful activities.
 * Ussalry - Onu-Koro military
 * Ussanui - Vehicle that transports Takanuva to Teridax refuge

V

 * "Vanisher" - Dark Hunter
 * "Vengeance"- Dark Hunter
 * Vacuum - A power
 * Vahi - Legendary Mask of Time
 * Vahki - Robot's created in Metru Nui to inforce law and order
 * Vakama - Ta-Matoran; Toa Metru/Toa Hordika of Fire; Turaga of Fire
 * Valley of the Maze - Maze-like structure in the form of a Skrall shield on Bara Magna
 * Vastus - Prime Glatorian of the Jungle Tribe
 * Vapor Trident - Weapon carried by Kiina
 * Varian - Toa put into a stasis tube
 * Velika - Po-Matoran
 * Venom Talon - Weapon carried by Vastus
 * Vezok - Dark Hunter; Piraka (fused)
 * Vezon - Vezok's double; has Spear of fusion
 * Vhisola - Ga-Matoran
 * Vican - Le-Matoran; later Shadow Matoran; now Le-Matoran again.
 * Vira - Le-Matoran
 * Visorak - Spiders with the ability to mutate beings in thier cocoons
 * Visorak - Island in the Matoran Universe
 * Vo - Rahkshi Kaita; formed from Panrahk, Guurahk, and Vorahk
 * Vohon - Ta-Matoran
 * Vohtarak - Visorak breed; use burn Rhotuka
 * Volitak - Mask of Stealth
 * Voporak - Sidorak's clan leader; mutated by Sidorak; Dark Hunter
 * Vorahk - Rahkshi of Hunger
 * Vorox - Originally the Sand Tribe on Bara Magna; devolved into savage beasts; Vorox on Bota Magna still civilized
 * Vortixx - Species on Xia
 * Vorzakh - Vahki model
 * Voya Nui - Hiding place for the Ignika
 * Voya Nui Resistance Team - Group of six Matoran dedicated to saving Voya Nui from the Piraka
 * Krana Vu - Surveyor
 * Krana Vu Kal - Transporter
 * Vulcanus - Village of the Fire Tribe
 * Vultraz - Ta-Matoran; now Shadow Matoran

W

 * Waikiru - Walrus-like Rahi
 * Wairuha - Kaita fusion of Lewa, Kopaka, and Gali
 * Wahi - The region in which Koro's are located
 * Warhammer - Very powerful melee weapons
 * Wasteland Wolves - creatures on Bara Magna
 * Water - One of the six main Elements
 * Water Harpoon - Blaster used by Vezok
 * Water Hooks - Toa Gali's Toa Tools
 * Water Stone - Stones on Bara Magna; valued greatly by the Fire Tribe
 * Water Sword - Blade carried by Berix
 * Water Tribe - One of the Tribes on Bara Magna
 * Whenua - Onu-Matoran; Toa Metru/Toa Hordika of Earth; Turaga of Earth
 * White Quartz Mountains - Mountains on Bara Magna
 * Widgets - Currency on Mata Nui
 * Wiki Metru Forums - Website created to bring BIONICLEpedia and Custom Bionicle Wiki together

X

 * Krana Xa - Swarm commander
 * Krana Xa Kal - Liberator Krana
 * Xia - Island

Y

 * Krana Yo - Mole
 * Krana Yo Kal - Excavator

Z

 * Za - Rahkshi Kaita; formed from Turahk, Lerahk, and Kurahk
 * Krana Za - Squad leader Krana
 * Krana Za Kal - Overseer Krana
 * Zatth - Mask of Summoning
 * Zadakh - Vahki model
 * Zakaz - The home island of Skakdi species
 * Zaktan - Dark Hunter; leader of the Piraka (deceased)
 * Zamor Launcher - gun weapon that fires Zamor Spheres
 * Zamor Sphere - Sphere in which energy can be put in and fired from a launcher
 * Zaria - A Toa of Iron sent to find the Great Beings
 * Zemya - Onu-Matoran
 * Zesk - Agori-like species on Bara Magna
 * Zivon - Created by Brotherhood of Makuta; trapped in Zone of Darkness
 * Zone of Darkness - A dimension completely void of light
 * Zyglak - a non-Rahi race accidentally created by the Great Beings