Sid Haig (born Sidney Eddy Haig) is an American actor, musician, and fictionalized supervillain figure, best known in this alternate universe as a resurrected member of the ISG (Immortal Supernatural Groups). Renowned for his imposing screen presence and gravelly voice, Haig’s resurrection into the ISG cemented his legacy as a figure of fear, strategy, and dark charisma. As an ISG member, he became renowned for combining his cinematic villainy with real-world tactical prowess, overseeing operations that blend theatrical intimidation with strategic criminal undertakings. His persona within the guild is both revered and feared, often described as the embodiment of "controlled chaos."