David Howard Thornton
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.
Acting
Movie
Terrifier
as Art the Clown
2018
Movie
Terrifier 2
as Art the Clown
2022
Movie
Terrifier 3
as Art the Clown
2024
Movie
Screamboat
as Steamboat Willie
2025
Movie
The Mean One
as The Mean One
2022
Movie
Stream
as Player 2
2024
TV
Bupkis
as Art the Clown
2023
Movie
Art Attack! The Dissection of Terrifier 3
as Self
2025
Movie
The Exigency
as Bumbo (voice)
2019
Movie
A Very Special Terrifier Christmas
as Art the Clown
2024
Movie
Night of the Living Dead II
Movie
The Horror We Make
as Self
2023
Movie
The Evolution of Horror Cinema Worldwide
as Horror Film Expert
2025
Movie
Selfie King
as Self
2022
Movie
The Dark Offerings
as Tim Cobb
2021
Movie
Namaka
as Walter Notch
2025
Movie
The Dead Place
as The New Kid
2026
Movie
Terrifier 4
as Art the Clown
Movie
Stream 2: Sudden Death
as Player 2
Movie
Screamboat 2: Nothing Stays Dead
as Steamboat Willie
Movie
The Autopsy of Albert Kemper
as Albert Kemper
Movie
Rough Cut
as Arnold Drewitt
2026
Movie
American Clown
as Self
2025
Movie
Christmas Chaos: Making 'The Mean One'
as Self
2025