Captain Underpants/Thomas




 * George as Percy
 * Harold as Duck
 * Captain Underpants as Thomas
 * Mr. Krupp as Diesel
 * Mrs. Ribble as Daisy
 * Mrs. Anthrope as Elizabeth
 * Melvin Sneedly as James
 * Sulu as Dennis
 * Crackers as Neville
 * Dr. Diaper as Duncan
 * Proffesor Poopypants as Diesel 10