Solaris

Solaris is the leader of the Great Elders, as well as the most powerful among his kind, and one of the creators of the BIONICLE Multiverse.

History
Very little is known about his creation, it is rumored that he was created by a yet even more powerful being known only as the Alpha Being, but this is only rumor. The most commonly accepted story of Solaris' origin is that he has eternally been alive and will continue to live eternally.