Mike Tyson and Cicely Tyson are both American actors. Mike Tyson is a former professional boxer and Cicely Tyson is an Emmy Award-winning actress. Mike Tyson is best known for his time as the undisputed heavyweight champion of the world in the 1980s and 1990s. Cicely Tyson is best known for her roles in television shows such as The Autobiography of Miss Jane Pittman and How to Get Away with Murder.