Schöpfer
Ann Nocenti, Arthur Adams, Carl Potts
Bob Mcleod, Chris Claremont
Base
X-Factor Untersuchungen Hauptquartier, New York City, New York; früher Detroit, Michigan; Mobile; Xaviers Schule für Gifted Youngsters, Salem-Center, Westchester County, New York; Mojoverse; Cootermans Creek, Australian Outback, Australia; Alcatraz I
(Strom) X-Factor Untersuchungen, New York City (ehemaligen) Professor Xaviers School of Gifted Youngsters, Salem-Center, Westchester County, New York; Muir Island, Schottland; X-Factor-Zentrale, Embassy Row, Washington, DC; X-Factor-Hauptquartier, New Yo