Arthur/Scooby Doo


 * Arthur Read as Scooby-Doo
 * Buster Baxter as Shaggy
 * Muffy Crosswire as Velma
 * DW Read as Daphne
 * Fanboy (from Fanboy & Chum Chum) as Batman
 * Chum Chum (from Fanboy & Chum Chum) as Robin