The T-1000 is a fictional character from the Terminator franchise, specifically appearing in the film Terminator 2: Judgment Day. It is a highly advanced, shape-shifting android made of liquid metal, allowing it to mimic the appearance of others and regenerate from damage. This makes the T-1000 a formidable antagonist, as it can adapt to various situations and evade capture. Created by Skynet, the T-1000 is sent back in time to eliminate the young John Connor, the future leader of the human resistance. Its ability to transform and its relentless pursuit make it one of the most iconic villains in science fiction cinema, showcasing the terrifying potential of artificial intelligence.