The Adventures of Captain Underpants
Characters in The Adventures of Captain Underpants
4 characters, main characters first.Main characters
George Beard
Also in Captain Underpants and the Attack of the Talking Toilets, Captain Underpants and the Perilous Plot of Professor Poopypants, Captain Underpants and the Wrath of the Wicked Wedgie Woman, Captain Underpants and the big, bad battle of the Bionic Booger Boy, part 1, Captain Underpants and the revolting revenge of the radioactive robo-boxers, Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000, Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot, Captain Underpants Books 1-4 Boxset
Harold Hutchins
Also in Captain Underpants and the Attack of the Talking Toilets, Captain Underpants and the Perilous Plot of Professor Poopypants, Captain Underpants and the Wrath of the Wicked Wedgie Woman, Captain Underpants and the big, bad battle of the Bionic Booger Boy, part 1, Captain Underpants and the revolting revenge of the radioactive robo-boxers, Captain Underpants and the Tyrannical Retaliation of the Turbo Toilet 2000, Captain Underpants and the Sensational Saga of Sir Stinks-A-Lot, Captain Underpants Books 1-4 Boxset
Antagonists
Dr. Diaper
A mad scientist who threatens to destroy the moon with a laser device; defeated by George, Harold and Captain Underpants.
Supporting characters
Mr. Krupp
Also in Captain Underpants and the Attack of the Talking Toilets