Creator
Chris Bachalo, Scott Lobdell
  
Ann Nocenti, Arthur Adams, Carl Potts
  
Base
Utopia; formerly New Warriors HQ; Xavier Institute for Higher Learning, Salem Center, Westchester County, New York; Massachusetts Academy, Snow Valley, Massachusetts
  
X-Factor Investigations Headquarters, New York City, New York; formerly Detroit, Michigan; mobile; Xaviers School for Gifted Youngsters, Salem Center, Westchester County, New York; Mojoverse; Cootermans Creek, Australian Outback, Australia; Alcatraz I