Charles Wepner (born February 26, 1939) is an American former professional boxer who fought as a heavyweight. As a world ranked contender he fell just seconds short of a full fifteen rounds with world heavyweight champion Muhammad Ali in a 1975 title fight. Wepner also scored notable wins over Randy Neumann and former World Heavyweight Champion Ernie Terrell. He was also the last man to fight heavyweight boxer Sonny Liston. Wepner's boxing career, his connection to the 1976 film Rocky, and other life events were chronicled in the 2016 film, Chuck. He was also the subject of the 2019 film The Brawler.