Rumble is a 2021 American animated sports comedy film directed by Hamish Grieve with a screenplay by Grieve and Matt Lieberman. Loosely based on Monster on the Hill, a graphic novel by Rob Harrell, the film stars the voices of Will Arnett, Geraldine Viswanathan, Terry Crews, Stephen A. Smith, Jimmy Tatro, Tony Danza, Susan Kelechi Watson, Tony Shalhoub, Bridget Everett, Greta Lee, Ben Schwartz, Roman Reigns and Becky Lynch. It tells the story of a world where humans and giant monsters exist as an aspiring trainer trains an amateur giant monster wrestler to go up against the world champion.