James Cameron Schwarzenegger also returned in his role as The Terminator, but this time as a protector. Unlike Schwarzenegger's character—the T-800 Terminator which is made of a metal endoskeleton—the new villain of the sequel, called the T-1000, is a more advanced Terminator made of liquid metal, and with polymorphic abilities. The T-1000 would also be much less bulky than the T-800. For the role, Cameron cast Robert Patrick, a sharp contrast to Schwarzenegger. Cameron explained, "I wanted someone who was extremely fast and agile. If the T-800 is a human Panzer tank, then the T-1000 is a Porsche." Cameron had originally wanted
T-1000 the metal skeleton effects of the T-800. The visual effects used in "Terminator 2" to create the T-1000 won the Academy Award for Visual Effects. Entity FX, Inc. is responsible for the visual effects of the T-1001 on "Terminator: The Sarah Connor Chronicles", along with the digital animation of endoskeletons, Hunter-Killers, and the future war sequences on the second season of the show. The company also contributed the digital imagery of James Cameron's "True Lies" and "Titanic". In "Terminator Genisys", the effects of the T-1000 were made by British effects company Double Negative, also responsible for the T-3000 and T-5000