J. K. Simmons

Jonathan Kimble "J. K." Simmons is an American character actor and voice actor. In television, he is known for playing Dr. Emil Skoda on the NBC series Law & Order , neo-Nazi Vernon Schillinger on the HBO prison-drama Oz, and Assistant Police Chief Will Pope on TNT's The Closer. His film roles include J. Jonah Jameson in Sam Raimi's Spider-Man trilogy and music instructor Terence Fletcher in 2014's Whiplash. He is also known for voicing Cave Johnson in the video game Portal 2 , Tenzin in The Legend of Korra , Stanford Pines in Gravity Falls, Kai in Kung Fu Panda 3 , Mayor Lionheart in Zootopia , and Khampa in Rock Dog . Simmons also reprised his role as J. Jonah Jameson in various Marvel animated series and video games. He has also appeared in a series of highly popular television commercials for Farmers Insurance.