Elmer Earl "Butch" Hartman IV is an American animator, voice actor, and YouTuber best known for creating the Nickelodeon cartoons The Fairly OddParents, Danny Phantom, T.U.F.F. Puppy and Bunsen Is a Beast. Hartman also owns a production company, Billionfold Inc., which he uses primarily to produce his shows. Hartman was an executive producer on The Fairly OddParents for the entirety of its 16-year run. Hartman's latest animated program, Bunsen Is a Beast, aired in 2017.