Diamondback vs Mad Thinker Facts
Origin
  
  
Creator
Mark Gruenwald, Paul Neary
  
Dick Ayers, Jack Kirby, Stan Lee
  
Universe
Earth-616
  
Earth-616
  
Publisher
Marvel
  
Marvel comics
  
First Appearance
  
  
In Comics
Captain America #310 - Serpents of the World Unite
  
Fantastic Four #15 (June, 1963)
  
Comic Appearances
302 Issues
  
99+
354 Issues
  
99+
Characteristics
  
  
Hair Color
Brown
  
Brown
  
Eye Color
Green
  
Blue
  
Profile
  
  
Race
Human
  
Human
  
Citizenship
American
  
American
  
Marital Status
Single
  
Single
  
Occupation
Criminal
  
Not Available
  
Base
-
  
Not Available
  
Relatives
Not Available
  
Not Available