Helio
Charlton; Rick Strong
- Also known as
Appearances
- Thunderbolt #54 — 1966-10-10
- Thunderbolt #55 — 1966-12-10
- Thunderbolt #56 — 1967-02-00
- Thunderbolt #57 — 1967-05-00
- Thunderbolt #58 — 1967-07-00
- Thunderbolt #59 — 1967-09-00
- Thunderbolt #58 — 1978-00-00
- Thunderbolt #57 — 1978-00-57