User:Mata Nui

Matoran
When Mata Nui was a matoran, hi was a Ta-matoran, named Aika. Hi was a mask maker. Hi lived at the island Aki Nui.

Toa
Aika was transformed to a toa, so hi and his team could defend their island from any enemies. Toa Aika was the leader of his Toa team.

Toa Nui
Toa Aika and his toa team transformed into a Toa Nui so they could defend Aki Nui from a wave of destroying Bohroks and Rahkshis.

Great spirit
After defeated the Bohroks and Rahkshis, the Toa Nui that were maid from Aika's team were changed into a great spirit and took the name Mata Nui, that means Great Spirit in Matoran language.

Mask and tools
Mata Nui wear Aki Nuva, great mask of valor. As a great spirit, Mata Nui don't have any tools, but when hi was a Toa Nui hi did got a spear of great valor and a Midak Skyblaster, and before that, when hi was a Toa, hi did got a staff/spear of valor.