Because you like Egon Spengler in Ghostbusters

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.

Resourceful and pragmatic, Selina Kyle always keeps in mind her number one priority: herself. See them in Gotham.

His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.

Accessing more than 10 percent of your brain can do strange things to anyone, and Lucy is Exhibit A. See them in Lucy.

The party never really ends with Penny Lane, a rock-worshipping groupie who is refreshingly self-aware and free-spirited. See them in Almost Famous.

Tiffany Maxwell wishes people would stop reminding her about her dead husband. See them in Silver Linings Playbook.

Lux Lisbon's flirtatious manner attracts a lot of male attention. She relishes the power that her sexuality grants her. See them in The Virgin Suicides.

Steve Rogers is a good soldier. But above all, he's a good man. See them in Marvel Cinematic Universe.