John Connor young John is skeptical of his mother's claims of his fate as humanity's leader. One day, while in an arcade with a friend, the T-1000 (Robert Patrick) and the T-800 (Schwarzenegger) - a reprogrammed android sent by John's future self, fight over him. This starts a chase sequence where the T-800 and John try to lose the T-1000; this event validates John's mother's warning to him about Skynet. Later that night, his mother breaks out and he and the T-800 go to save her, and the three escape. John teaches The Terminator how to be like a human; teaching him
T-1000 sequel was that both Terminators sent to the past would be T-800s like the one played by Arnold Schwarzenegger, with one being stripped down to a metal endoskeleton like the one from the original film. Once Cameron actually started working on the script, in 1990, he figured a better way was to turn the evil Terminator into a more advanced model. Cameron's original pick to play the T-1000 was rock musician Billy Idol, and storyboards had the robot resembling him, but a serious motorcycle accident prevented Idol from accepting the role. Then, he thought of casting actor Michael Biehn, who