!!The comic:
* ChannelHop: Madman started off in a little-known self-publishing company, then switched to Caliber Comics, then Kitchen Sink Press, then Creator/DarkHorseComics, and finally Creator/ImageComics.

!!The film:
* CompletelyDifferentTitle:
** Greece: ''The Dragon of the Green Swamp''
** Mexico: ''The Killing Ax''
** Portugal: ''The Bad Man''
* TheDanza: Tom Veilleux plays "Tommy."
* WhatCouldHaveBeen: According to the commentary track on the DVD, Creator/VincentPrice was considered to play Max. However the production was non-union and they didn't know how to "cheat" in order to get him.
* WorkingTitle: ''Madman Marz'' and ''The Legend Lives''.