One of the giants of sci-fi cosplay costumes is of course, best cosplay costumes the Star Wars series. The amazing world of Sci-fi is also a big hit when it comes to cosplay costumes. Star Wars gives everyone a fun opportunity to step into the costumes of a variety of heroes and aliens such as the lovable Wookiee smuggler, Chewbacca! The universe of Star Wars isn’t only full of friendly faces though, you can also use the costumes of those involved in the villainous empire, like the armored Stormtroopers or the bounty hunter Boba Fett.