Polaris

First Appearance: X-Men #49 (October, 1968)
Base of Operations: Serval Industries, Virginia; formerly X-Factor Investigations Headquarters, Starjammer; Xavier Institute for Higher Learning, Salem Center, Westchester County, New York; Genosha; X-Factor HQ, Washington D.C., Maryland; Mutant Research Center, Muir Island;
Occupation: Adventurer, former U.S. government operative, former graduate student in geophysics
Group Affiliation:: X-Factor (Serval Industries); formerly X-Factor Investigations, Starjammers, X-Men, Horsemen of Apocalypse, Genoshan Cabinet, X-Factor (Government), The Twelve, Acolytes, Muir Island X-Men, Defenders for a Day, Marauders (possessed by Malice)