Casey is a professional motorcycle racer in the world's most prestigious class of two-wheeled racing, MotoGP. He rides for the team fully funded and supplied by Honda, which also employs three other MotoGP racers: Dani Pedrosa, Andrea Dovizioso, and Marco Simoncelli. In 2007 Casey won the MotoGP championship riding for Ducati, and has made the move to Honda for at least the next two seasons.
This video is a fantastic demonstration of how much skill and moxie these guys have. Because what Casey does here seems simply otherworldly. Have a look.