Captain Underpants and the attack of the talking toilets : an epic novel / Pilkey, Dav, Schools School principals Heroes Comic books, strips, etc. Humorous stories. Captain Underpants (Fictitious character) 808 SCH 1999 A094 Or. Principal Krupp once again turns into the superhero Captain Underpants in order to save the world, and Jerome Horwitz Elementary School, from the evil talking toilets and the Turbo Toilet 2000. New York : Scholastic, 1999. 1999. Text 136 p. : Little apple