This is what we found on Wikipedia regarding the Tony Hawk:

Anthony Frank Hawk (born May 12, 1968), nicknamed Birdman, is an American professional skateboarder, entrepreneur, and the owner of the skateboard company Birdhouse. A pioneer of modern vertical skateboarding, Hawk completed the first documented "900" skateboarding trick in 1999. He also licensed a skateboarding video game series named after him, published by Activision that same year. Hawk, who retired from competing professionally in 2003, is widely regarded as one of the greatest and most influential skateboarders of all time.

Among Hawk's philanthropic activities is the Skatepark Project, which helps to build skateparks in underprivileged areas around the world.