Callisto vs Etrigan Facts
Creator
Chris Claremont, Paul Smith
Jack Kirby
Universe
Earth-616
New earth
Publisher
Marvel
DC comics
In Comics
The Uncanny X-Men #169 - Catacombs
The Demon #1 - The Origin of the Demon
Citizenship
American
Unknown
Marital Status
Single
Single
Base
The Xavier Institute, Salem Center, Westchester County, New York State, (former) The Alley (beneath Manhattans surface), X-Factor Is sentient starship
Hell
Relatives
Not Available
Not Available