Thomas F. Wilson (born April 15, 1959, Philadelphia) is an American actor, stand-up comedian, musician, and podcaster best known for playing the bully Biff Tannen - and his relatives Griff and Buford 'Mad Dog' Tannen - across the entire Back to the Future trilogy (1985-1990). Beyond film, he played Coach Ben Fredricks in the cult TV series Freaks and Geeks and has voiced recurring characters in SpongeBob SquarePants since 2001. His live act blends comedy and original music, including the fan-favourite 'Biff's Question Song', written in response to the relentless fan questions he fields at every appearance.
Wilson uploaded 'Kingdom Within' to his YouTube channel, continuing his self-directed multimedia experiments combining writing and music.
In a 2025 interview Wilson commented on Hollywood's reliance on franchise sequels, questioning the value of extending films to parts 'four, five, or six'.
Wilson was photographed in Los Angeles in August 2025, with media noting his changed appearance 40 years after Back to the Future.
Wilson shared a video online reuniting with the original Back to the Future cast.
Wilson was listed as a guest at Tokyo Comic Con 2025 (December 5-7, Chiba, Japan).
😴 Nothing scheduled with this artist in the near future.
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