| Name | Captain Atom (The Atoman) |
| A.K.A. | n/a |
| Secret ID. | Dr. Rador / Larry Lockhart (alias) |
| Type | Costumed Hero |
| Affiliation/Team | None |
| 1st Appearance | Captain Atom #1 |
| Year | 1947 |
| Publisher | Atlas Publications |
| 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.
