Origin
  
  
Creator
Jack Kirby
  
Stan Lee, Steve Ditko
  
Universe
New earth
  
Earth-616
  
Publisher
DC comics
  
Marvel
  
First Appearance
  
  
In Comics
The Demon #1 - The Origin of the Demon
  
The Amazing Spider-Man #6 - Face-To-Face With The Lizard
  
Comic Appearances
641 Issues
  
99+
695 Issues
  
99+
Characteristics
  
  
Hair Color
No hair
  
No hair
  
Eye Color
Red
  
Red
  
Profile
  
  
Race
Other
  
Human
  
Citizenship
Unknown
  
American
  
Marital Status
Single
  
Widowed
  
Occupation
-
  
Research biologist
  
Base
Hell
  
Florida
  
Relatives
Not Available
  
Not Available