Dee Bradley Baker is an American voice-over artist and television host who provides voices for a number of popular cartoon characters, including Klaus Heissler in American Dad!, Waddles in Gravity Falls and Perry the Platypus in Phineas and Ferb. In live-action appearances, he was the announcer and the talking idol statue Olmec for the Legends of the Hidden Temple kids game show, and a co-host for several seasons of the Shop 'til You Drop game show. He has voiced characters in many Cartoon Network and Nickelodeon shows, including Dad in Cow and Chicken, Appa and Momo in Avatar: The Last Airbender; numerous aliens in the Ben 10 series; Numbuh 4 in Codename: Kids Next Door; Tarrlok, Naga and Pabu in The Legend of Korra; and the Clone Troopers in Star Wars: The Clone Wars. His voice-over work in video games includes Halo, Gears of War, Viewtiful Joe and Spore. In 2014, he provided the voices of Dopey in The 7D and Fish in the feature film The Boxtrolls.