t-1000
The main antagonist of Terminator 2: Judgment Day, played by Robert Patrick. It also appears in the Terminator: The Sarah Connor Chronicles TV series, where it was played by Shirley Manson.
The T-1000 Terminator is a robot programmed as an infiltration assassin unit. It is made of liquid metal, which allows it to imitate the form of anything it touches, including organic materials and living beings.