Choujin Locke

Locke the Superman (超人ロック, Chōjin Rokku) is a Japanese manga series by Yuki Hijiri which was later adapted into a movie and three OVA releases. Both it and the OVAs were later licensed and released by Central Park Media under the original name.

Plot
Locke is an immortal psychic with norther family, and whose birth trails back before the "Cosmic Year" calendar used in the story. He is the medium through which he (and the readers) observe the evolution of humanity as they travels, discovers, explores, colonizes, conquers, fights, and destroys. Always having an eye on humanity, Locke is also the will to do right.