Because you like Howard Wolowitz in The Big Bang Theory

Darlene is a free-spirited hacktivist who follows her own moral compass. See them in Mr. Robot.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

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.

If the awesome Andie Walsh is from the wrong side of the tracks, we don't want to be right. See them in Pretty in Pink.

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

Despite the dissolution of his state, Prussia hangs on – mooching off his younger brother Germany and reading comics. See them in Axis Powers Hetalia.

Santana Lopez is a cutthroat cheerleader who's not afraid to speak, or sing, her mind. See them in Glee.

Though Twilight might be opposed to it, her new friends might just be able to teach this serious-minded pony how to relax. See them in My Little Pony.

Caleb Rivers is a bad boy with a good reason for acting out. See them in Pretty Little Liars.

Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.

Mac is a karate-chopping, beer-chugging schemer. See them in It's Always Sunny in Philadelphia .