The Adventures of Captain Underpants
Title: The Adventures of Captain Underpants
Author: Dav Pilkey
When George and Harold hypnotize their principal into thinking that he is the superhero Captain Underpants, he leads them to the lair of the nefarious Dr. Diaper, where they must defeat his evil robot henchmen.
George and Harold have created the greatest superhero in the history of their elementary school—and now they’re going to bring him to life! Meet Captain Underpants! His true identity is so secret, even HE doesn’t know who he is!