Igor is a 2008 computer-animated horror comedy film directed by Tony Leondis from a screenplay by Chris McKenna. Its title character is based on Fritz (later dubbed Igor in popular culture), the lab assistant from Presumption; or, the Fate of Frankenstein (1823). Igor is MGM's first fully computer-animated film. It stars John Cusack, Steve Buscemi, Jay Leno, Eddie Izzard, Sean Hayes, Arsenio Hall, Jennifer Coolidge, John Cleese, Molly Shannon, and Christian Slater.