Piotr Rasputin's power to transform his body into a nearly invulnerable organic form of Osmium first appeared in adolescence. Coming to America at the urging of Professor X, he became Colossus and has fought bravely despite his natural aversion to conflict and violence.
Current Version:
Colossus (Classic)
Alternate Versions:
Colossus (Modern)
Colossus (Phoenix Five)
