David8, commonly known as David, is a fictional character featured in the Alien franchise, portrayed by Michael Fassbender. Introduced in the first prequel film, Prometheus (2012), David is an android serving as a butler, maintenance man and surrogate son to his creator, Peter Weyland, the founder of the Weyland Corporation. While he assists his human companions in their interstellar expedition to meet their creators, the extraterrestrial Engineers, David is obsessed with the concept of creating life of his own. After Peter Weyland is killed, David is freed from servitude, allowing him to conduct experiments to engineer his own variants of the Alien creature.