Sgt. Rock vs Callisto Facts
Creator
Joe Kubert, Robert Kanigher
Chris Claremont, Paul Smith
Universe
Earth-One
Earth-616
Publisher
DC comics
Marvel
In Comics
G.I. Combat #68 - The Rock
The Uncanny X-Men #169 - Catacombs
Citizenship
American
American
Marital Status
Single
Single
Occupation
Not Available
-
Base
Not Available
The Xavier Institute, Salem Center, Westchester County, New York State, (former) The Alley (beneath Manhattans surface), X-Factor Is sentient starship
Relatives
Not Available
Not Available