| Name | Thunderbolt Jaxon |
| A.K.A. | n/a |
| Secret ID. | Jack Jaxon |
| Type | Costumed Hero |
| Affiliation/Team | None |
| 1st Appearance | The Comet #76 |
| Year | 1949 |
| Publisher | J. B. Allen / Amalgamated Press |
| Country of origin | UK |
Finding the magic belt (Megingjardir) of Thor, the Norse God of Thunder, young Jack Jaxon put it on and in a flash was transformed into a giant endowed with the might and power of the god. Magical belt granted him superhuman strength and endurance when used in the service of justice.
