The xenomorph (a.k.a., Bug, alien, serpent, etc.) are a race of parasitic extra-terrestrials with a four-stage life cycle (egg, Face Hugger, Chest Burster, adult). They have a hive like mentality, and ...

The Predator, otherwise known as Yautja, is an ancient race of aliens with a complicated origin history. Like their alien opponents, the Xenomorphs, there are a few competing theories to investigate.