Mister Sinister vs Killer Croc Facts
Origin
  
  
Creator
Chris Claremont, Marc Silvestri
  
Gene Colan, Gerry Conway
  
Universe
Earth-616
  
New earth
  
Publisher
Marvel comics
  
DC comics
  
First Appearance
  
  
In Comics
Uncanny X-Men #221 (September, 1987)
  
Batman #357 (March, 1983)
  
Comic Appearances
1135 Issues
  
99+
623 Issues
  
99+
Characteristics
  
  
Hair Color
Black
  
No hair
  
Eye Color
Black
  
Green
  
Profile
  
  
Race
Mutant
  
Mutant
  
Citizenship
British
  
American
  
Marital Status
Widowed
  
Single
  
Occupation
Geneticist, Criminal, biologist and mutant-supremacist
  
-
  
Base
Many bases throughout the world including his State Home for Foundlings and the Center for Homo Superior Medical Care.
  
Gotham City
  
Relatives
Not Available
  
Not Available