Billy Loomis is a supporting character and also one of two villains in the original Scream film. He was played by Skeet Ulrich.
Billy is the boyfriend of Sidney Prescott, the heroine of the film series and he is recruited into playing the part of Ghostface by Sidney's half-brother Roman Bridger. Billy is left susceptible to Roman's machinations due to his family being fractured by the Prescotts. Hank "Henry" Loomis, Billy's father, was caught having an affair with Sidney's mother thus driving away his mother. Roman showed Billy the evidence of the said affair and convinces him to aid in terrorizing and murdering Maureen Prescott. Billy is aided by his somewhat dimwitted friend, Stu Macher (Matthew Lillard). Billy is killed, when Sidney shoots him in the head.