Harley Quinn vs Hammerhead Facts
Origin
  
  
Creator
Bruce Timm, Paul Dini
  
Gerry Conway, John Romita
  
Universe
New earth
  
Earth-616
  
Publisher
DC comics
  
Marvel
  
First Appearance
  
  
In Comics
The Batman Adventures #12 - Batgirl: Day One
  
The Amazing Spider-Man #113 - They Call the Doctor...Octopus!
  
Comic Appearances
654 Issues
  
99+
295 Issues
  
99+
Characteristics
  
  
Hair Color
Blonde
  
Black
  
Eye Color
Blue
  
Blue
  
Profile
  
  
Race
Human
  
Cyborg
  
Citizenship
American
  
American
  
Marital Status
Single
  
Single
  
Occupation
Psychiatrist
  
Not Available
  
Base
Gotham City
  
Not Available
  
Relatives
Barry Quinzel (brother), Sharon Quinzel (mother), Nick Quinzel (father), Jenny Quinzel (niece), Nicky Quinzel (nephew)
  
Not Available