Tobias Huss (born December 9, 1966) is an American actor. He is known for portraying Artie in the Nickelodeon series The Adventures of Pete & Pete (1993–1996). He is also known for his voice-over work on the long-running animated series King of the Hill (1997–2010) as Kahn Souphanousinphone and Cotton Hill, and his role as Felix "Stumpy" Dreifuss on HBO's Carnivàle (2003–2005). He played John Bosworth on the AMC original period drama Halt and Catch Fire. (Via Wikipedia)