All related material from the 2011 American science fiction adventure thriller film, Super 8.
Marvel Universe - Wikipedia
DC Universe - Wikipedia
Dragon Ball: 10 Strongest Alien Races (That Aren't Saiyan)
The 22 Best Anime About Aliens, Ranked
The Kardashev scale: Classifying alien civilizations
Government UFO Report Won't Rule Out Visitors from Space, BU Today
Admit it. The super 8 creature ( Cooper ) looked great despite the minimal screentime he was given. : r/movies
Category:Super Smash Bros. Universe, Alien Species
5 Most Dangerous Alien Races in the Marvel Universe
Alien (film) - Wikipedia