Samuel Vincent Khouth is a Canadian voice actor working for Ocean Productions. He is best known for his roles as Krypto in Krypto the Superdog, Edd "Double D" in Ed, Edd n Eddy, Lloyd Garmadon in Ninjago, Jerry Mouse in Tom and Jerry Tales, Bugs Bunny, Daffy Duck & Tweety in Baby Looney Tunes, Hare in the Monster Rancher anime, Jordan C. Wilde in Ōban Star-Racers, and Eli Shane from Slugterra. He is also known for portraying Dr. Maurice in the 2005 sitcom Hot Properties.

Krypto, also known as Krypto the Superdog, is a superhero dog appearing in American comic books published by DC Comics, commonly in association with the character Superman. In most continuities, Krypto is Superman's pet dog, usually depicted as a white dog of a generic pedigree often resembling a Labrador Retriever, a plain white Dalmatian, or a White Shepherd.