Dee Bradley Baker an American voice actor who has provided many voice roles in various animated television shows, films, and video games. He is best known for providing animal and creature sounds as well as human voices.
He is well-known for his role as the voice of Olmec on Nickelodeon's Legends of the Hidden Temple, Klaus Heissler on the Fox Network animated TV comedy series American Dad!; Squilliam Fancyson, Bubble Bass, and various other characters on Nickelodeon's long-running animated TV series SpongeBob SquarePants, Appa and Momo in Nickelodeon's Avatar: The Last Air Bender as well as Tarlok and various other voices in The Legend of Korra, Numbuh 4 and various other characters in Codename: Kids Next Door and Cinnamon Bun, and various other characters in Adventure Time.
He has done many various voice work for Disney, most notably Perry the Platypus in Phineas and Ferb and Dopey in The 7D.