Michael Clarke Duncan was born december 10, 1957 in Chicago, Illinois, and raised in a single-parent household with his sister, Judy, and mother, Jean Duncan (a house cleaner), after his father left. He always wanted to act, but had to drop out of the Communications program at Alcorn State University to support his family when his mother became ill. Duncan's large frame—6 feet 5 inches (196 cm) and 315 pounds (143 kg)—helped him in his jobs digging ditches for Peoples Gas Company and being a bouncer at several Chicago clubs. Duncan also played basketball at Kankakee Community College and for one season at Alcorn State. In 1979, he participated in the Disco Demolition Night at Comiskey Park, home of the Chicago White Sox, where he was among the first 100 people to run onto the field and he slid into third base. During the ensuing riot his silver belt buckle was stolen while he was stealing a baseball bat from the dugout.

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