Samuel Brett (Earth-5875)

Samuel Elias Brett was the engineering technician of the commercial freighter Nostromo. He served as a member of the crew during its final voyage in 2528 following its encounter with a xenomorph on Acheron, which led to the destruction of the ship and the deaths of all crew members, with the exception of Ellen Ripley. He was the first victim of the fully-grown Alien, and his body was later used to create a Proto-Keymind