Because you like Marshall Eriksen in How I Met Your Mother

A consummate schemer with a knack for solving mysteries, Shawn Spencer has trouble taking anything seriously. See them in Psych.

Burton Guster is a level-headed investigator with a "Super Sniffer" nose. See them in Psych.

James Gordon happens to be the one guy in Gotham City with proper morals who doesn't also run around in a cape. See them in DC Extended Universe.

A formerly righteous wizard, Saruman has been corrupted by the forces of evil. See them in The Lord of the Rings.

There can be no doubt that Ben Linus is a huge liar. But one man's lies are another man's necessary steps to protect his people. See them in Lost.

Amy Farrah Fowler deserves sainthood for putting up with Sheldon Cooper. See them in The Big Bang Theory.

His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.

Bob Parr is an ex-superhero now focused on being a dad, but he misses the action. See them in The Incredibles.

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.

Samwell Tarly is a scholar, not a fighter. But that's not good for an aspiring member of the Night's Watch. See them in Game of Thrones.

In Dennis Reynolds' mind, only a psycho wouldn't have a six-part system to bring home women. And he should know. See them in It's Always Sunny in Philadelphia .