Robert Crane vs Hammerhead Facts
Creator
Jerry siegel, Leo Nowak
Gerry Conway, John Romita
Universe
Earth-Two, New Earth
Earth-616
In Comics
Star Spangled Comics #7 - The Guardian
The Amazing Spider-Man #113 - They Call the Doctor...Octopus!
Citizenship
American
American
Marital Status
Single
Single
Occupation
Not Available
Not Available
Base
Not Available
Not Available
Relatives
Not Available
Not Available