Mr. Chairman is the main antagonist of Looney Tunes: Back in Action. He is the immature president of the famous ACME Corporation. He also has Bob Smith as his minion, the five villainous tunes, Marvin the Martian, Yosemite Sam, Taz, Wile E. Coyote, and Elmer Fudd as his assassins, the Robodog as his pet, and Mary as his secretary. He was portrayed by Steve Martin who also played Orin Scrivello and also did the voice of Hotep alongside Martin Short and later voiced Captain Smek.