|Name||Captain Atom (The Atoman)|
|Secret ID.||Dr. Rador / Larry Lockhart (alias)|
|1st Appearance||Captain Atom #1|
|Country of origin||Australia|
After an A-Bomb test, fused two twin brothers together; Dr. Bikini Rador only had to utter the words "Exenor" to change places with his twin (more powerful) brother who was able to fly and had superhuman strength.