Jackie Chan is one of the world´s biggest box-office draws, and is famous for his mind-boggling stunt work. He has been acting since the 1970s and has appeared in over 100 films, he is known for his acrobatic fighting style. Besides acting, he has released a number of albums and sung many of the theme songs for the films in which he has starred. In 2008, Chan sang at the 2008 Summer Olympics closing ceremony. And he also contributes much to the charitable work. The heart of his charity work lies in The Jackie Chan Charitable Foundation which was founded in 1988, and the Dragon´s Heart Foundation, founded in 2005.