John Rodney Mullen (born August 17, 1966) is an American professional skateboarder, entrepreneur, inventor, and public speaker who practices freestyle skateboarding and street skateboarding. He is widely considered the most influential street skater in the history of the sport, being credited for inventing numerous tricks, including the flatground ollie, kickflip, heelflip, impossible, and 360-flip. As a result, he has been called the "Godfather of Street Skateboarding."