SpongeBob SquarePants/Batman

Cast

 * Spongebob as Batman
 * Patrick as Robin
 * Sandy as Batgirl
 * Spongebob's Dad as Alfred
 * Mr Krabs as Commissioner Gordon
 * Squidward as Chief O'Hara
 * Plankton as Joker
 * Man Ray as Penguin
 * Karen as Catwoman
 * Tattletale Strangler as Riddler
 * Flats the Flounder as Two Face
 * King Neptune as Mr Freeze
 * Kevin the Sea Cucumber as Mad Hatter
 * Doctorfish as Mayor John Linseed