John Rodney Mullen (born August 17, 1966) is an American professional skateboarder who practices freestyle skateboarding and street skateboarding. He is considered one of the most influential skateboarders of all time. Mullen is credited for inventing numerous tricks, including the flatground ollie, kickflip, heelflip, impossible, and 360-kickflip. As a result, he has been called the "Godfather of modern freestyle skating." Wikipedia