Alexander Anthony ″Alex″ Black (born April 20, 1989) is an American television and motion picture actor. Black was born in Redwood City, California. He has appeared in several popular movies; he mostly recently portrayed Seth Powers in Nickelodeon's hit series, Ned's Declassified School Survival Guide. As well as minor role on Charmed. He is also seen on a commercial of Wal-Mart for the PlayStation 3 and Ocean's Thirteen.