Mad Thinker vs Fire Facts
Origin
  
  
Creator
Dick Ayers, Jack Kirby, Stan Lee
  
E. Nelson Bridwell, Ramona Fradon
  
Universe
Earth-616
  
New earth
  
Publisher
Marvel comics
  
DC comics
  
First Appearance
  
  
In Comics
Fantastic Four #15 (June, 1963)
  
DC Comics Presents #46 (June, 1982)
  
Comic Appearances
354 Issues
  
99+
476 Issues
  
99+
Characteristics
  
  
Hair Color
Brown
  
Green
  
Eye Color
Blue
  
Green
  
Profile
  
  
Race
Human
  
Human
  
Citizenship
American
  
Brazilian
  
Marital Status
Single
  
Single
  
Occupation
Not Available
  
Not Available
  
Base
Not Available
  
Not Available
  
Relatives
Not Available
  
Not Available