A Pup Named Rex-Dum: Watch Out Rex the 2 Headed Monster is Coming For You

Cast

 * Flim-Flam - Skunk (Skunk Fu!)


 * Young Fred Jones - Oliver (Oliver & Company)


 * Young Daphne - Rita (Go Hugo Go!)


 * Young Velma - Tanya (An American Tail)


 * Scooby-Dum - Rex (We're Back a Dinosaur Story)


 * 2 Headed Monster - Brutus and Nero (The Rescuers)


 * Buster McMuttMauler - Warren T. Rat (An American Tail)


 * The Sheriff - Rango (Rango)