S.D. Bob "Snake" Plissken is a fictional character from the films Escape from New York and Escape from L.A.. He is portrayed by Kurt Russell, and created by director John Carpenter and screenwriter Nick Castle. He is a former Special Forces operator/war hero in World War III turned criminal. The movies follow his apprehension by the United States Police Force and subsequent conscription to extract top-secret material from the ex-cities turned maximum security prisons of New York and Los Angeles. He is the protagonist.