Because you like Norm Peterson in Cheers

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Tom Hansen is a full-fledged romantic impatiently waiting for his love story. See them in (500) Days of Summer.

As the unit chief of the FBI's Behavioral Analysis Unit, Aaron Hotchner is dead serious about avenging dead people. See them in Criminal Minds.

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.

Robbie Turner has been accused of a crime he never committed, changing the course of his life forever. See them in Atonement.

Harrison Wells is a brilliant scientist full of secrets. See them in DC Extended Universe.

Jim Stark is a teen torn apart by what the world asks of him. See them in Rebel Without A Cause.

Tony Stonem is the golden boy of Bristol. Problem is, he knows it. See them in Skins.

Good-natured, sensitive, and introspective, Mason is on a lifelong path to finding himself. See them in Boyhood.

After surviving a CIA mission that was supposed to kill him, ex-military man John Reese bets it all on a chance to redeem himself. See them in Person of Interest.

A suave proprietor of an upscale nightclub and gambling den, Rick Blaine is dealing with World War II and a broken heart. See them in Casablanca.

He may seem like a charismatic leader, but Bellamy also has a ruthless, self-serving streak See them in The 100.