21 favorite fictional aliens

Robin Williams is best known for his movie roles in the likes of  Mrs. Doubtfire and Jumanji, but he kicked it all off as the outrageous and out-of-this-world Mork from the planet Ork.

Sigourney Weaver might not agree because this lifeform wasn’t really someone she wanted to be around, but she would definitely agree that this alien is one of the most iconic in pop culture history.

There were so many memorable aliens in Will Smith’s Men in Black, but this cutie patootie stole the show after appearing on screen for what felt like two seconds.

The love fans have for Spock will forever live long and prosper.

Simon Pegg and Nick Frost created Paul, while Seth Rogen brought him to life with his signature voice.

Aliens on TV weren’t new when 3rd Rock from the Sun premiered in 1996, but it managed to reign supreme when compared to its peers, and that’s all because of the foursome that made up the Solomons in their human forms.

What kids in the ‘80s didn’t beg their parents for some Reese’s Pieces just in case they stumbled upon a new best friend like E.T.?

Rihanna can truly do it all, including befriending a sweet alien named Oh. At least that's what happened when she starred alongside The Big Bang Theory's Jim Parsons as Oh in 2015's Home.

Plot and movie as a whole aside, these Martians remain on everyone’s brains because of their unforgettable look — and sound.

Was this movie a watered-down, dollar-bin version of Steven Spielberg's E.T.? Yes. Was it also a beautiful story of two families making new lives for themselves in California? Yes. One just came from further than Chicago than the other.

ALF is one of those shows that could have only existed in the era known as the ‘80s.

The Disney Renaissance of the ‘90s left the movies that followed right after in the dust when it came to the box office and fan reception at the time, except one that featured a blue creature named Stitch.

Some days, you feel like a Blob; some days, you don’t.

This one is for those who spent their weekends glued to the Disney Channel back in the 2000s. Those who know know all too well that this was one of the most random Disney Channel Original Movies they tossed at tweens, but also one of their low-key best.

Superhero content as a whole would not be complete without this super being from outer space.

Everyone can agree that when it comes to American Dad, Roger is the reason people have continued to tune in since 2005.

Dan Aykroyd  took one of the most random ideas from Saturday Night Live and turned it into a whole movie that truly was one of the weirdest things in cinema in the ‘90s.

With Jim Carrey as his nemesis, it was hard for audiences not to fall in love with Sonic when he came to the big screen in 2020. So much so that sequels and a series followed.

These aren’t the type of clowns one would book for a party, but they are the best if throwing a horror movie marathon.

Jean Jacket is one of the newest aliens to enter the hearts of fans thanks to Jordan Peele’s homage to the likes of Jaws, 2022’s Nope.

They’re supposed to be evil-doers, but really, it’s hard to hate on the big green goobers who’ve made The Simpsons’ "Treehouse of Horrors" episodes so amazing over the years.