Jonathan Kimble "J.K." Simmons is an American actor and voice actor who is best known for his roles as Dr. Emil Skoda in the Law & Order television franchise, Vernon Schillinger on the HBO drama series Oz from 1997 to 2003, Tenzin in the Avatar: The Last Airbender spin-off series The Legend of Korra, and as J. Jonah Jameson in Sam Raimi's Spider-Man trilogy (a role he reprised for Ultimate Spider-Man, Avengers Assemble, and Hulk and the Agents of S.M.A.S.H.), Kai in DreamWorks animated film, Kung Fu Panda 3, Mayor Lionheart in Zootopia, and for voicing the Yellow M&M in the M&M's commercials.
He also played Siskel in the 1994 Touchstone Pictures film The Ref, Buffalo Bill Cody in the 2004 Touchstone Pictures film Hidalgo, and Garth Pancake in the 2004 Touchstone Pictures film The Ladykillers.
- 2005 - Pom Poko as Seizaemon
- 2007 - Kim Possible as Martin Smarty
- 2008 - Phineas and Ferb as J.B.
- 2012 - The Avengers: Earth's Mightiest Heroes as J. Jonah Jameson
- 2012 - Ultimate Spider-Man as J. Jonah Jameson
- 2013 - Avengers Assemble as J. Jonah Jameson
- 2013 - Hulk and the Agents of S.M.A.S.H. as J. Jonah Jameson
- 2015 - Gravity Falls as Stanford Pines
- 2016 - Zootopia as Mayor Lionheart