Hardhead
Duros, Headmaster, Transformers
- Also known as
Appearances
- The Transformers: Headmasters #2 — 1987-09-00
- The Transformers: Headmasters #3 — 1987-11-00
- The Transformers: Headmasters #4 — 1988-01-00
- The Transformers #38 — 1988-03-00
- The Transformers #39 — 1988-04-00
- The Transformers #41 — 1988-06-00