Leader of mutant race, adventurer, headmaster, former student, radio announcer
Currently Revolutionary and Conqueror, formerly Volunteer Orderly, Secret Agent
Xavier Institute, Salem Center, Westchester County, New York
Currently unrevealed, formerly Asteroid M; various hidden bases on Earth including one in Antarctica; an island in the Bermuda Triangle; Professor Xaviers School for Gifted Youngsters, Salem Center, Westchester County, New York