Penguin vs Hammerhead Facts
Creator
Bill Finger, Bob Kane, Stan Lee, Steve Ditko
Gerry Conway, John Romita
Universe
New earth
Earth-616
Publisher
DC comics
Marvel
In Comics
Detective Comics #568 (November, 1986)
The Amazing Spider-Man #113 - They Call the Doctor...Octopus!
Citizenship
American
American
Marital Status
Single
Single
Occupation
Trader
Not Available
Base
Gotham City
Not Available
Relatives
Not Available
Not Available