Because you like Montgomery Scott in Star Trek

Bodhi Rook is a defected pilot for the Galactic Empire dead set on destroying the Death Star. See them in Rogue One.

A stylish agent, Agent J would rather improvise than play by the rules. See them in Men in Black.

A dedicated hedonist, Jack Harkness appreciates raunchy stories, stiff drinks, and excellent bottoms. See them in Doctor Who.

A bumbling hobbit, Bilbo Baggins is becoming a part of something much larger than himself as he embarks on a quest. See them in The Hobbit: An Unexpected Journey.

Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.

A loyal assistant to Nelson and Murdock, Karen Page has a way of finding trouble. See them in Marvel Cinematic Universe.

There's magic behind Tara Maclay's quiet façade. See them in Buffy the Vampire Slayer.

Macbeth was probably named "Most Likely to Kill His Rivals" in his senior yearbook. See them in Macbeth.

Jorah Mormont is loyal to his queen. And he's quite in love with her as well. See them in Game of Thrones.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.