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
Terminator (character concept) were created by the Cyber Research Systems division of the U.S. Air Force to replace soldiers on the battlefield prior to Judgment Day, starting with the T-1. Although it has not been officially accepted as canon, a deleted scene from "Terminator 3" explains that the Terminators originated as part of a project by the US government to robotize the military using technology licensed from Cyberdyne, which at the time is considered "ancient history". The origin of the appearance and voice of all Terminators portrayed by Schwarzenegger is revealed when a group of scientists from Cyber Research Systems (CRS) presents several