Peter Walls was the first of Walter Sullivan's postmortem victims in Silent Hill 4: The Room, and is known as Victim 12 in the game. Peter was a marijuana addict. His corpse was found in a room in Hotel South Ashfield some six months after his death. He had apparently been beaten to death after he claimed he could see God. His item left behind is a marijuana joint found at an alley near Hotel South Ashfield. In Walter's Otherworlds, Peter appears in Building World and in Building World (2nd Time).