
David Howard Thornton
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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.
Known for
Credits

Terrifier 3 (2024)
as Art the Clown

Terrifier (2018)
as Art the Clown

Terrifier 2 (2022)
as Art the Clown

Terrifier 4 (—)
as Art the Clown

Screamboat (2025)
as Steamboat Willie

American Clown (2025)
as Self

Stream (2024)
as Player 2

The Mean One (2022)
as The Mean One

Art Attack! The Dissection of Terrifier 3 (2025)
as Self

Big Baby (2025)
as Hooper

The Dead Place (2026)
as The New Kid

The Evolution of Horror Cinema Worldwide (2025)
as Horror Film Expert

Selfie King (2022)
as Self

Namaka (2025)
as Walter Notch

Night of the Living Dead II (—)
Actor

Stream 2: Sudden Death (—)
as Player 2
The Autopsy of Albert Kemper (—)
as Albert Kemper

The Horror We Make (2023)
as Self

The Dark Offerings (2021)
as Tim Cobb

The Exigency (2019)
as Bumbo (voice)

A Very Special Terrifier Christmas (2024)
as Art the Clown

Christmas Chaos: Making 'The Mean One' (2025)
as Self

Screamboat 2: Nothing Stays Dead (—)
as Steamboat Willie

Rough Cut (2026)
as Arnold Drewitt





