The T-1000, also known as a Prototype Series 1000 Terminator, is a fictional character in the Terminator franchise. A shapeshifting android assassin, the T-1000 is the main antagonist of Terminator 2: Judgment Day, as well as a minor antagonist in Terminator Genisys and a theme park attraction in Terminator 2 3-D: Battle Across Time. A similar Terminator, referred to as a T-1001 appears in the Fox television series, Terminator: The Sarah Connor Chronicles.[1]