Chris Claremont, Louise Simonson, Rick Leonardi, Rob liefeld
Arnold Drake, Don heck
(current) Adventurer, (former) freedom fighter, United States government agent, mercenary, combat instructor for X-Force
Adventurer, former U.S.
The Xavier Institute, Salem Center, Westchester County, New York
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;