Dee Bradley Baker

Dee Bradley Baker (born August 31, 1962) is an American voice actor. He is best known voiced Numbuh 4 from Codename: Kids Next Door, Appa, Momo from Avatar: The Last Airbender, Stinkfly, Wildmutt from Ben 10, Perry the Platypus from Phineas and Ferb, Waddles from Gravity Falls and Lion from Steven Universe.

He voiced Persephone, Mr. Whiskers/Vampire Cat, Mummy Hamster, Turtle Monster, Were-Rat.