Public Domain Super Heroes
Captain Atom
Captain Atom.jpg

Real Name

Allen Adam

First Appearance

Space Adventures #33 (1960)

Original Publisher


Created by

Steve Ditko & Joe Gill


Captain Allen Adam of the U.S. Air-force was caught in an atomic accident which destroyed his body but, luckily, not his mind. He forms a new body for himself and use his new superpowers to fight aliens, communists, and super villains such as the Silver Lady. His power include invulnerability, surviving unaided in space, supersonic speed and flight, and an atomic powered punch. He regularly partnered with Nightshade.

Public Domain Appearances

  • Space Adventures #33-40, 42
  • Captain Atom #78-89
  • Strange Suspense Stories #75-77 (re-prints)


  • Captain Atom was Alan Moore's inspiration for his Watchmen character, Dr. Manhattan (which is NOT in the public domain).
  • Captain Atom was the first superhero to be co-created by Steve Ditko.

See Also