From cute and cuddly to scary and mean, Spielberg knows how to make alien movies.

Don’t expect a straightforward timeline, because continuity is a mess with the Alien and Predator timelines (even if, as in this list, you choose to ignore tie-in comics, novels, and games). Predator: ...

Save for the Predator franchise's Yautja and Alien's Xenomorphs, these are the coolest extraterrestrials to ever grace cinema history.