The Terminator, also known as a Cyberdyne Systems Model 101 or the T-800, is the name of several film characters from the Terminator franchise portrayed by Arnold Schwarzenegger and numerous actor stand-ins digitally overlaid with Schwarzenegger's likeness. The Terminator himself is part of a series of machines created by Skynet for infiltration-based surveillance and assassination missions, and while an android for his appearance, he is usually described as a cyborg consisting of living tissue over a robotic endoskeleton. The first appearance of the Terminator was as the eponymous antagonist in The Terminator, a 1984 film directed and co-written by James Cameron. While the original Terminator was destroyed, other machines with the same appearance are featured in the sequels. In Terminator 2: Judgment Day and Terminator 3: Rise of the Machines, Schwarzenegger's Terminator serves as the main protagonist, while in Terminator Genisys and Terminator: Dark Fate, he serves as a supporting protagonist, and is pitted against other Terminators sent by Skynet and its successor Legion. In Terminator Salvation and Dark Fate, the character also appears briefly as an antagonist. In the context of the stories, the plot device of having various robots looking the same provides a certain continuity for the human characters by exploiting their emotional familiarity with a particular "human" visage associated with each "model". The "Terminator" title is also used as a generic name for other human-simulating characters in the Terminator franchise, such as the liquid-metal T-1000 antagonist in Judgment Day. Character nomenclature Commonly known as the Terminator, the character is also given more specific designations, which help distinguish it from other mass-produced Terminators seen in each of the sequels. The end credits of the first three Terminator films list Arnold Schwarzenegger's characters as simply "Terminator", while in Terminator Genisys, he is credited as "Guardian". In Terminator Salvation, the character is credited and referred to as "T-800", while in Terminator: Dark Fate, the character is credited as "T-800 / Carl". In the first two films and Dark Fate, the character is referred to as "Cyberdyne Systems Model 101". In Terminator 3: Rise of the Machines (T3), it is referred to as a "T-101". This name also occurs throughout the T2 novels. The name "T101" was used as early as 1991, in the Amstrad CPC and ZX Spectrum versions of the Terminator 2 computer game. In the T2 Extreme Edition DVD, and the Terminator 2 video game, he is