Leo Howard is an American actor, model and martial artist. Beginning his martial arts training at the age of four and an acting career at the age of seven, Howard is known for incorporating his karate skills into his feature film and television roles; as "Young Snake Eyes" in the 2009 action film, G.I. Joe: The Rise of Cobra , as "Young Conan" in the 2011 fantasy film, Conan the Barbarian and stars as "Jack " on the Disney XD comedy series, Kickin' It. He has also had a recurring role, Logan Hunter, on Disney Channel's Shake it Up. He also played Troy West in Lab Rats. In his early Disney fame, he portrayed the title character Leo Little, the host of Leo Little's Big Show. He directed the Gamer's Guide to Pretty Much Everything episode The Rock Band.