Adam West) Italian Dog (voiced by Jeff Bennett) Egyptian Dog (voiced by Jeff Bennett) Dog Inmates (voiced by Jeff Bennett) Humans Gordon (voiced by Adam West) - Ralph's owner. Arty (voiced by Mary Kay Bergman) - Scribble's owner. Arty's Mom (voiced by Kath Soucie) - The unnamed mother of Arty. Sue (voiced by Mary Kay Bergman) - Mitzy's owner. Captain Earwig / Virgil (voiced by Tom Kenny) - A superhero. Frank's Owner (voiced by Estelle Harris) - The unnamed owner of Frank. Santa Claus (voiced by David McDermott) Kerry - The female character. Shelia (voice by Tress MacNeille) - Von Rabie's owner. Big Jim Jones (voiced by Jess Harnell) Christopher Columbus (voiced by Maurice LaMarche) William Shakespeare (voiced by Billy West) Leonardo da Vinci (voiced by Adam West) Scuzzy Duzz's owner (voiced by Mary Kay Bergman) - A bespectacled short girl who slightly resembles Velma Dinkley. Villains Catastrophe (voiced by Jim Cummings) - The nemesis of the Spy Dogs organization who serves as the primary antagonist of the series. He is a cat with prosthetic mechanical tail which he wore because his natural one was bitten off by a dog or lost in an accident in a rocking chair testing facility. He tried to take over the world with an army of mummy cats and Bastet. His metal tail suggests he is a parody of Dr. No, while he is sometimes seen stroking a mouse similar to Ernst Stavro Blofeld's white cat. Maws - Catastrophe's assistant with big teeth. He is a spoof of Jaws. Oddball - Catastrophe's muscular Siamese cat henchman with a bowler hat and blue bowtie. Based on the villain Oddjob with the trademark bowler hat. Bast - The leader of the Cat Mummies who Catastrophe once enlisted. Cat Mummies (voiced by Frank Welker) - A bunch of mummified cats. Baron Bone (voiced by Clancy Brown) - A human who attempted to corner the market in beef by luring all the cows in the world with a giant ball of cud. Miss Tenderloin (voiced by Tress MacNeille) - Baron Bone's female servant. Chuck - Baron Bone's henchman. Chauncey - An incredibly lucky, silent and charismatic runaway Super Prototype Mobile-Suit Human "mindless automaton". In order to keep him under control, Mitzy warehoused Chauncey by making him the President of the United States. He is a parody of Chauncey Gardiner from the novel and the movie "Being There" (his