Factions

Bionicle consists of several different factions. The main ones are:

Matoran
The Matoran faction is a "hero" faction. It consists of those who are loyal to Mata Nui: The Toa, Matoran, and Turaga.

Dark Hunters
The Dark Hunters are sort of inbetween good and evil, leaning more twoards evil. They include creatures of various species, and will do anything, if the price is right.

Brotherhood of Makuta
The Brotherhood of Makuta is an organization of the Kratta-producing species who were once loyal to Mata Nui. They became corrupted and cast Mata-Nui into a deep sleep.

Order of Mata Nui
The Order of Mata Nui is a very secrative organization, only known to by few. They are loyal to Mata Nui.