Because you like Montgomery Scott in Star Trek

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.

Relentlessly cheerful and optimistic, Erin Hannon is an office receptionist. See them in The Office.

Chewbacca is a loyal co-pilot who won't hesitate to rip your arm off. See them in Star Wars Series.

A Silurian lizard woman, Madame Vastra has a penchant for puzzles and interspecies romance. See them in Doctor Who.

Irene Adler has to use both her brains and her body to survive. Luckily, she's usually the most brilliant person in the room. See them in Sherlock.

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

Detective Alec Hardy doesn't let anyone get too close to him. See them in Broadchurch.

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

A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.

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.

Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.