The comic:
- Channel Hop: Madman started off in a little-known self-publishing company, then switched to Caliber Comics, then Kitchen Sink Press, then Dark Horse Comics, and finally Image Comics.
The film:
- Completely Different Title:
- Greece: The Dragon of the Green Swamp
- Mexico: The Killing Ax
- Portugal: The Bad Man
- The Danza: Tom Veilleux plays "Tommy."
- What Could Have Been: According to the commentary track on the DVD, Vincent Price was considered to play Max. However the production was non-union and they didn't know how to "cheat" in order to get him.
- Working Title: Madman Marz and The Legend Lives.