Nick Offerman

Nick Offerman (born June 26, 1970) is an American film actor best known for his role as the Ron Swanson libertarian head of the parks department on the NBC show Parks and Recreation and the voice of Gavin in the Ice Age franchise.

His Disney roles include Agent Powers on Gravity Falls, himself  in the The Muppets episode Bear Left Then Bear Write  and Whiskers on Sofia the First.