Question: What did Guinness World Records certify for an young actor known for martial arts in the horror series 'Freakish?'
Sentence (from "Leo Howard"): 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, "", as "Young Conan" in the 2011 fantasy film, "Conan the Barbarian", and as "Jack" on the Disney XD comedy series, "Kickin' It".
Relevant evidence: No