Because you like Crowley in Supernatural
Greg Lestrade is gruff, loyal, and quietly competent. See them in Sherlock.
There is never a dull moment with Jim Moriarty: expect booze and sing alongs in between all of the homicide. See them in Sherlock.
Gilderoy Lockhart's biggest idol is himself. See them in Harry Potter Series.
Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.
As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.
There's more to this sweet, caring landlady than meets the eye. See them in Sherlock.
The destroyer, Drax lives for one thing and one thing only: revenge. See them in Marvel Cinematic Universe.
How lucky are we that Arthur Curry, the King of Atlantis, hasn't taken over the surface world? Very! See them in DC Extended Universe.
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.
Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.
This isn't the Captian Hook of your nightmares; he's charming and devilishly handsome. See them in Once Upon a Time.
Manipulative, conniving, and ruthless, Mr. Gold is enigmatic no matter what world he's in. See them in Once Upon a Time.