What did Guinness World Records certify for an young actor known for martial arts in the horror series 'Freakish?'
Freakish (TV series): Freakish is an American television horror series that premiered on October 10, 2016 on Hulu. Freakish (TV series):  The series features several high-profile social media stars and celebrities—including Liza Koshy, Hayes Grier, Meghan Rienks, Niki DeMartino, Leo Howard, and Aislinn Paul—and focuses on a group of high-school students who are trapped inside their school when a nearby chemical plant explodes, resulting in residents and other infected students turning into mutated freaks. Leo Howard: Leo Richard Howard (born July 13, 1997) is an American actor and martial artist. Leo Howard:  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.
youngest TV director ever