Question: What did Guinness World Records certify for an young actor known for martial arts in the horror series 'Freakish?'

Context paragraphs:
Leo Howard: Leo Richard 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, "", 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.

Bibhuti Bhushan Nayak: Bibhuti Bhushan Nayak (born 1965) is an Indian journalist, who holds seven Guinness World Records and 12 Limca Book Records in physical strength to his name.  He aims to have 72 records to his name.  He currently manages his Ancestral business, works as a journalist at "The Times of India" and teaches underprivileged children martial arts to continue the training of breaking world records.  Bibhuti sustains himself on a completely vegetarian diet consisting only of pulses and sprouts.  Nayak graduated as a management student from Osmania University.  In recognition of his physical strength feats he was given an honorary title of "Singh" and a pagri (turban) by the Gurudwara where he attempted the record.In addition to that, he is popularly known as the "Bruce Lee" of Navi Mumbai, for his martial arts and record breaking accolades.

Ashrita Furman: Ashrita Furman (born Keith Furman, September 16, 1954, Brooklyn, New York) is a Guinness World Records record-breaker.  As of 2017, Furman has set more than 600 official Guinness Records and currently holds 200 records, including the record for holding the most Guinness world records.  He has been breaking records since 1979.

Guinness World Records Gone Wild: Guinness World Records Gone Wild, also known as "Guinness World Records Unleashed", is an American reality television series on truTV.  The series debuted on February 7, 2013 and is hosted by Dan Cortese.  The series' first season averaged more than 1.3 million viewers and ranked as one of ad-supported cable's Top 3 programs in the Thursday 8 p.m. timeslot with key adult and male demos.  It was also cable's No.1 unscripted entertainment program in the timeslot with men 18-49 and adults 18-34.  It was announced in April 2013 that truTV has ordered an additional ten episodes.  Season 2 premiered on November 7, 2013, and features a title change to "Guinness World Records Unleashed".

Guinness World Records – Ab India Todega: Guinness World Records – Ab India Todega (English: "Guinness World Records – Now India will Break") is a reality TV show based on the Guinness Book of World Records.  The show, which was hosted by Preity Zinta and Shabbir Ahluwalia, premiered on 18 March 2011 to an audience measurement of 3.3 rating points.  Each episode presents different individuals trying to break official world records.

George Hood (athlete): George E. Hood is an ultra athlete, certified personal trainer (NESTA) and a Group-X instructor.  Hood also owns and operates a successful business known as Oceanside Paddleboard in Oceanside, CA.www.OceansidePaddleboard.com.  George holds 7 world records.  He has set a total of 6 Guinness World Records and one independent world record for the plank set in Beijing, China in June, 2014 which was certified in the media and by the Assist World Records organization in India.http://www.china.org.cn/wap/2014-06/24/content_32752425.htm George previously held the Guinness World Record for the prone hold, or plank at 3 hours, 7 minutes, and 15 seconds set on 20 April 2013. http://www.thepostgame.com/blog/eye-performance/201304/george-hood-sets-planking-record-again

Twin Galaxies: Twin Galaxies is an American organization that tracks "retro" and "old-school" video game world records and conducts a program of electronic-gaming promotions.  It operates the Twin Galaxies website and publishes the "Twin Galaxies' Official Video Game & Pinball Book of World Records", with the Arcade Volume released on June 2, 2007.  "The Guinness World Records - Gamers Edition 2008" was released in March, 2008 in conjunction with Twin Galaxies, who Guinness World Records considers to be the official supplier of verified world records to the annual volume.

Freakish (TV series): Freakish is an American television horror series that premiered on October 10, 2016 on Hulu.  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.

Dave Farrow: David Andrew Farrow (born January 10, 1975) is a two-time Canadian Guinness World Record Holder for Most Decks of Playing Cards Memorized in a Single Sighting, entrepreneur, memory coach, speed reader and keynote speaker.  He is best known for winning the Guinness World Records for Most Decks of Playing Cards Memorized in a Single Sighting in 1996 and again in 2007 when he set out to reclaim his record after it was beaten in 2002.  The initial record was set at the Guinness World Records museum in Niagara Falls, Ontario, Canada while the latter was performed for Discovery Channel Canada at CTV Television Network studios.  Both records were accomplished under the controlled supervision of multiple cameras and multiple independent witnesses.

Guinness World Records: The Videogame: Guinness World Records: The Videogame is a party video game based on the Guinness World Records series of books of world records.  Developed by TT Fusion and published by Warner Bros.  Interactive Entertainment, the game was released on November 7, 2008 in Europe and Australasia, and on November 11, 2008 in North America.

Supporting paragraphs: Freakish (TV series) Leo Howard
Answer: youngest TV director ever