Len Forgione

The Adventures of Captain Underpants: Color Edition (Captain Underpants #1)

Captain Underpants and the Attack of the Talking Toilets: Color Edition (Captain Underpants #2)

Captain Underpants and the Big, Bad Battle of the Bionic Booger Boy, Part 1: The Night of the Nasty Nostril Nuggets: Color Edition (Captain Underpants #6)