George "Iceman" Chambers is a fictional character from the 1992 film Undisputed, directed by Walter Hill. He is portrayed as a former heavyweight boxing champion who is imprisoned for a crime he did not commit. Chambers is known for his cool demeanor and fighting skills, which he uses to navigate the challenges of prison life. In the film, Chambers faces off against another inmate, George "The Hammer" Chambers, played by Ving Rhames. The story revolves around their rivalry and the underground boxing matches that take place within the prison, highlighting themes of honor, redemption, and the struggle for survival.