Peter Hannan created the Nickelodeon animated series CatDog. He also wrote and sang the show's theme song. He is the author/illustrator of My Big Mouth: 10 Songs I Wrote That Almost Got Me Killed, the Super Goofballs series, Freddy, King of Flurb, The Greatest Snowman in the World, Escape From Camp Wannabarf, and The Adventures of a Huge Mouth. His work has appeared in magazines, newspapers, and galleries and been turned into everything from t-shirts to cheese crackers. He loves pets. He firmly believes that pets should rule the world. He lives in California.