- Never a dull day.
- -Machine Gun Joe, seeing a fight about to break out
Joe "Machine Gun Joe" Mason was the leader of the Black gang in Terminal Island Penitentiary. He replaced Bill "Big Bill" as leader of the Black gang and Death Race driver. He is a three time winner of the Death Race and also a longtime rival of Frankenstein. He later formed an alliance with Jensen Ames on the second round of Death Race after destroying the Dreadnought. After Frankenstein's victory of that race he devised an escape plan with him after knowing of Warden Claire Hennessey's true intentions. By the end of the film he started to get a friendship with Jensen Ames and helped him escape.