The T-800 is a fictional cyborg character from the Terminator franchise, created by James Cameron. It is portrayed as a humanoid robot with a living tissue covering, designed for infiltration and assassination. The T-800 is known for its iconic appearance, featuring a metallic endoskeleton and a human-like exterior. In the series, the T-800 is often sent back in time to carry out missions, primarily to eliminate key targets. The character is famously played by Arnold Schwarzenegger, who became synonymous with the role. The T-800 represents the blend of advanced technology and human-like traits, making it a memorable figure in science fiction.