Martian Manhunter vs Hammerhead Facts
Origin
  
  
Creator
Joe Certa, Joseph Samachson
  
Gerry Conway, John Romita
  
Universe
New earth
  
Earth-616
  
Publisher
DC comics
  
Marvel
  
First Appearance
  
  
In Comics
Detective Comics #225
  
The Amazing Spider-Man #113 - They Call the Doctor...Octopus!
  
Comic Appearances
1955 Issues
  
99+
295 Issues
  
99+
Characteristics
  
  
Hair Color
Bald
  
Black
  
Eye Color
Red
  
Blue
  
Profile
  
  
Race
Human
  
Cyborg
  
Citizenship
American
  
American
  
Marital Status
Widowed
  
Single
  
Occupation
-
  
Not Available
  
Base
-
  
Not Available
  
Relatives
Not Available
  
Not Available