Sidney Prescott later asked what his motive was, and he simply said, 'Peer pressure. He was completely unaware of Billy's true motive to kill Maureen Prescott, and simply had no real motive for doing it other that for fun. A horror movie fanatic, he went along with Billy's slasher film-like murder spree, the late-September 1996 Woodsboro Murders. He is Billy Loomis's accomplice, as well as an insensitive and eccentric best friend. Stuart 'Stu' Macher is the secondary antagonist of Scream (1996 film).