Sonic/Robots

Cast

 * Eric Cartman and Emily (from South Park and Thomas) as Herb and Lydia Copperbottom
 * Garfield (from Garfield) as Mr. Nuts
 * Sally as Rodney Copperbottom
 * Bunnie as Big Well
 * Blaze as Fender
 * Unlce Chuck as Lug
 * Tails as Crank
 * Krusty (from The Simpsons) as Mr. Gunk
 * Queen Aleena as Piper Pinwheeler
 * Knuckles as Diesel
 * Amy as Loretta Geargrinder (cameo)
 * Rouge as Madame Gasket
 * Rocket as Jack Hammer (cameo)
 * Trevor, Big, Kenny (from South Park), Ten Cents (from TUGS), Robots, Stan Marsh (from South Park), Captain Rescue and Liane Cartman (from South Park) as Other Robots
 * Kyle (from South Park) as Sid the Sloth
 * Mighty as Mean Robots
 * Badniks as Garbages Robots
 * Dr. Robotnik as Phineas T. Ratchet
 * Dulcy as Coffee Pot Robot
 * Timmy (from Timmy the Tooth) as Fender's Head
 * Young Sally as Young Rodney
 * Baby Sally as Baby Rodney
 * Ike (from South Park) as Ball