Takes place roughly two years after the last Hank Is Evil/The Life And Times Of Hank E. Valdooer episode.
The Bandaged Man was partially inspired by the Batman villain Hush.
Mayor McDigley's first name is Leslie which is also the full first name of the actor who plays him Les Degen.
Though only credited for two characters, Joe Pontillo actually plays four characters who physically appear in the film. Roger, Hood #1, Clockmeister, and The Knifeist. He also provides several voices.
Hank drives a 2008 Toyota Corolla.