Fat Kid Rules the World is a 2012 comedy-drama film directed by Matthew Lillard in his directorial debut.

It is based on the book of the same name and stars Jacob Wysocki, Matt O'Leary, and Billy Campbell.

[1] 17-year-old Troy Billings (Wysocki) is overweight and suicidal.

Marcus then enlists the musically challenged Troy to become the drummer in a new punk rock band.

Fat Kid Rules the World received positive reviews from critics and audiences, earning an 84% approval rating on Rotten Tomatoes.