Goretech: Welcome To Planet M*therfucker (2012)

Earth succumbed to a nuclear war caused by an infamous evil being known as Dr Hell, who today dominates the world with his technology from a distant planet called Goretech. Now the world is only violence and death and humanity is inexorably approaching its extinction, as there are no women left alive. A timorous and cowardly young man named Han meets a mythical curmudgeonly old man who will teach him the secret of martial arts, and together they will fight to end the tyranny of the sinister Dr Hell.

Horror, Science Fiction, Comedy, Action