Schöpfer
Bob Mcleod, Chris Claremont
Joe Madureira, Scott Lobdell
Base
(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
Jean Grey School for Higher Learning, Salem-Center, Westchester County, New York; ehemals Schwarz Rom, Necrosha