Stefan von Darkmoor was the oldest son of Otto von Darkmoor; He is noted as being a particularly sadistic person. He hated his half-brother Erik von Darkmoor vehemently, and often beat his brother Manfred until he could stand up to him. He also beats women during sex, and has raped women.
After his father's death he became Baron of Darkmoor for one hour. He attempted to rape a girl, Rosalyn and was killed by Erik and Rupert Avery in their rage.