My Gym Partner's a Monkey/Thomas

Cast

 * Adam as Thomas
 * Principal Pixiefrog as Edward
 * Mr. Hornbill as Henry
 * Windsor Gorilla as Joseph
 * Slips Python as James
 * Jake as Percy
 * Henry Armodillo as Toby
 * Lazlo (from Camp Lazlo) as Duck
 * (from Camp Lazlo) as Oliver
 * Ingrid Giraffe as Emily
 * Lupe Toucan as Mavis
 * Nurse Gazelle as Molly
 * Kerry
 * Sonic (from Sonic) as BoCo
 * Sally
 * Bull Sharkowski as Diesel
 * Scoutmaster Lumpus (from Camp Lazlo) as Diesel 10
 * Arnold the Pit Bull (from Tiny Toon Adventures) as Bulgy
 * Mr. Hitcher (from Tiny Toon Adventures) as George
 * Edward Platypus
 * King Salazar (from Animaniacs) as Cranky
 * Bowser Jr (from Mario) as Scruffey
 * Ludwig Von Koopa (from Mario) as The Spiteful Brakevan
 * (from Mario) as D261