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
Nanotechnology in fiction for shapeshifting abilities; Giving the T-1000 the ability to mimic anyone it samples through physical contact. It can also form its arms into blades and stabbing weapons and instantly recover from any damage. In the 2003 film "" a new terminator, the "T-X", also utilities Mimetic Polyalloy for shapeshifting abilities; like the T-1000 it can mimic anyone it touches. The T-X is also equipped with nanotechnological transjectors, and can infect and control other Terminators using nanites. In "Terminator Genisys", human resistance leader "John Connor" is infected with "machine phase matter" by a T-5000 terminator, transforming John into a "T-3000". Constructed