Atom the Cat

Golden Age Origin
Originally started as a regular guy called Tom Cat. When the titular character absorbed atomic rays from a nuclear reactor, he was mutated and acquired super powers. The scientists responsible for the reactor gave him a cape and convinced Tom to work for his country and the world, becoming the superhero Atom the Cat. Atom the Cat maintains his powers by eating fresh fish.

Public Domain Appearances

 * Atom the Cat #9-17
 * Giant Comics #3