1. T-800 is the battle terminator played by Arnold Schwarzenegger in the Terminator series.
2. The name of the internal super alloy mechanical skeleton is T-800, and the appearance model is T-101 (referring to Schwarzenegger's appearance).
3. T-800 and its enhanced version T-850 have protected John Connor, the human leader, for many times, and are indispensable contributors to the human resistance against Skynet.
4. In the fifth Terminator: Genesis, T-800 is Sarah Connor's adoptive father and protector. In the final upgrade of the film, the body surface and the damaged part of the body become liquid metal, but retain the internal super alloy mechanical skeleton (the combination with liquid metal is similar to T-X's body surface also covered with liquid metal).
