Leo Howard (born July 13, 1997) is an American actor and martial artist. He began his 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 as Jack on the Disney XD comedy series, Kickin' It. Howard was certified as the youngest TV director ever by the Guinness World Records for his work on the episode "Fight at the Museum" in the fourth season of the Kickin' It TV series at age 16. He also played CeCe's rival Logan on Shake it Up in the third season.