Mister Monday was a super-villain with an unhealthy obsession with Mondays. He wears a monocle, smokes and is quite flamboyant. In his obsession with Mondays he attempts to schedule is whole life around the day and enjoys using the term "Monday-licious". He was eventually locked up with The Monarch in Super-Villain Prison. Along with several other inmates they planned an escape, but Phantom Limb got to him at the last minute causing him to change his mind. He is later shot and killed by Phantom Limb in order to intimidate The Monarch.
- Batfoe Calendar Man
- His character design is nearly identical to the classic Jonny Quest villain Heinrich von Froelich from the episode "Shadow of the Condor".
Pitching the metric leisure week