The Predator (or Yautja) is a fictional extraterrestrial species featured in the Predator science-fiction franchise, characterized by itstrophy hunting of other dangerous species for sport. First introduced in 1987 as the main antagonist of the film Predator, the Predator creatures returned in the sequels Predator 2 (1990), and Predators (2010), as well as an appearance in the crossover series, "Aliens vs. Predator" in the films Alien vs. Predator (2004), and Aliens vs. Predator: Requiem (2007).