Tony Hwak is the most famous skateboafder in the world. He was won more skatebording competitions than anybody else. He has also invented more than eighty skatebording tricks and was the first person to do one famous trick called the '900'. The 900 is a 360° somersault done two and a hslf times in the air! It took him six years to learn the 900. He finally did it in 1999. Since then only four other people have been able to do it.