Colossus

First Appearance: Giant-Size X-Men #1 (May, 1975)
Base of Operations: (current) Professor Charles Xavier's Institute for Higher Learning, Salem Center, Westchester County, New York (former) Muir Isle, Scotland,; a loft in Soho, Manhattan, Ust-Ordynski Collective, Lake Baikal, Siberia, U.S.S.R., X-Men Headquarters in Austra
Occupation: (current) Adventurer, student, (former) Artist
Group Affiliation:: X-Men; formerly Excalibur, Acolytes, Defender