The Cyberdyne Systems Series 800 Terminator, or T-800, is a type of Terminator mass-produced by Skynet, a highly-advanced artificial intelligence (developed by Cyberdyne Systems, a tech corporation) that became self-aware and caused the nuclear holocaust, Judgement Day. The T-800 is an Infiltration Terminator with a human appearance, featuring brown hair and brown eyes, and living skin tissue over his hyperalloy metal endoskeleton. He's Skynet's first cybernetic organism.