Ellen Ripley is the central protagonist of the Alien franchise, including the film Aliens. A resilient warrant officer and later a battle-hardened survivor, she becomes one of science fiction’s most iconic heroes. In Aliens, Ripley returns to confront the xenomorph threat again, serving as a protector and tactical leader alongside the Colonial Marines. Her intelligence, courage, and determination define her role as the human core of the story and the key figure driving the struggle against the alien menace.