Dan Butler

Daniel Eugene Butler (born December 2, 1954) is an American actor known for his role as Bob "Bulldog" Briscoe on the TV series Frasier (1993–2004), later reprising the role in 2024; Art in Roseanne (1991–1992); for the voice of Mr. Simmons on the Nickelodeon TV show Hey Arnold! (1997–2002), later reprising the role in Hey Arnold!: The Jungle Movie (2017); and for film roles in Enemy of the State (1998) and Sniper 2 (2001).