Crispin
Flavius is a bowler who once dated Timmy's mom and later was arrested and served at Camp Monkey Chunk, presumably as a community service thing to work off his sentence for child endangerment when he sent his car crashing into Fredrick Crocus's house with Timmy Failure inside the car.
Timmy Failiure: Mistakes Were Made[]
Crispin used to be Timmy's mom's boyfriend