John Connor is a central figure in the 'Terminator' series, especially in 'Terminator 2: Judgment Day.' As the son of Sarah Connor, he is destined to lead the human resistance against Skynet and its army of machines in the future. In the film, a reprogrammed T-800 Terminator is sent back in time to protect young John from a more advanced T-1000 model, which has been sent to assassinate him. John’s character is pivotal as he embodies hope and leadership for humanity’s future.