Rodney Mullen built the house skateboarding lives in. After inventing the flatground ollie—in itself perhaps the most influential trick ever—he went on to unveil kickflips, backside flips, heelflips, 360 flips, double flips, impossibles, darkslides, and onward. Without Rodney, skateboarding would still be in the dark ages. Number 3 on our list of The 30 Most Influential Skaters Of All Time.