History of character is unknown.
Appearances, Images, and QuotesEdit
- This version of Peter Cannon (Earth-Four), including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985-86 Crisis on Infinite Earths limited series. Even though versions of the character may have since appeared, this information does not apply to those versions.
- Don Markstein's Toonpedia: Peter Cannon...Thunderbolt
- International Catalogue of Superheroes: Thunderbolt
- Index of Charlton Comics with issue summaries
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