Madame Xanadu vs Sgt. Rock Facts
Creator
David Michelinie, Val Mayerik
Joe Kubert, Robert Kanigher
Universe
Earth-One, New Earth
Earth-One
In Comics
Doorway to Nightmare #1 - Doorway to Nightmare
G.I. Combat #68 - The Rock
Citizenship
British
American
Marital Status
Single
Single
Occupation
Not Available
Not Available
Base
Not Available
Not Available
Relatives
Not Available
Not Available