Magneto

First Appearance: X-MEN Vol. 1 #1
Base of Operations: Currently unrevealed, formerly Asteroid M; various hidden bases on Earth including one in Antarctica; an island in the Bermuda Triangle; Professor Xavier's School for Gifted Youngsters, Salem Center, Westchester County, New York
Occupation: Currently Revolutionary and Conqueror, formerly Volunteer Orderly, Secret Agent
Group Affiliation:: Currently None, formerly Brotherhood of Evil Mutants I and II, X-Men, teacher of the New Mutants, Lords Cardinal of the Hellfire Club, leader of the Acolytes