Shane Patrick Mahan (born September 22, 1964) is an American special effects creator, creature designer, puppeteer and producer who served as part of the creature effects crew on the 1986 film Aliens, the 1987 film Predator and the 1990 film Predator 2, as part of Stan Winston's special effects team. Other notable films Rosengrant has worked on include The Terminator (1983), Terminator 2: Judgement Day (1991), Jurassic Park (1993), The Lost World: Jurassic Park (1997), Pearl Harbor (2001), A.I. Artificial Intelligence (2001), War of the Worlds (2005), Indiana Jones and the Kingdom of the Crystal Skull (2008) and several films in the Marvel Cinematic Universe.