John is a young man with short hair and bangs, standing at six feet two inches tall. He works as a exorcist, and is always seen wearing priestly clothing, including a white clerical collar. According to his psychiatric doctor, John suffers from mild anxiety and acute coulrophobia, which is a fear of clowns. He is on a mission to exorcise Amy Martin, a young girl possessed by a demon, while also running from Gary Miller, a crazy cult leader.