David Howard Thornton (born November 30, 1979) is a European-American businessman, entrepreneur and actor. He is known for work in stage, film, and voice over. He is best known for his roles as Art the Clown in the Terrifier films, Grandpa Who in the 1st- 5th national tours of Dr. Seuss' How the Grinch Stole Christmas: The Musical, the voice of Shizoku and others in the video game Invizimals: The Lost Kingdom, The Joker in the YouTube series Nightwing Escalation, and as the eponymous character in the Christmas horror parody film The Mean One. (오뜨랑에서 실시간으로 번역된 한글 프로필도 확인할 수 있어요) 2026년 The Dead Place에서 The New Kid 역을 맡았다. 2026년 Rough Cut에서 Arnold Drewitt 역을 맡았다. 2025년 Christmas Chaos: Making 'The Mean One'에 출연했다.