François Chau (born October 26, 1959) is a Cambodian and American actor. He is known for his roles as Dr. Pierre Chang in ABC's Lost, Quick Kick on G.I. Joe: A Real American Hero, Dr. Chang in the film 21 & Over, Shredder in Teenage Mutant Ninja Turtles II: The Secret of the Ooze, and in 2015–2018, as industrialist Jules-Pierre Mao, a recurring...