Because you like Donna Martin in Beverly Hills, 90210

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

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

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

Robin Scherbatsky is a former teen pop star who loves dogs and is scared of relationships. See them in How I Met Your Mother.

Call her. Beep her. If anyone's in trouble, Kim Possible is there. See them in Kim Possible.

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

Carol Peletier's credo: your strength comes from who you are, not who you used to be. See them in The Walking Dead.

Nick Carraway is the perfect observer: always there for the events, but never too involved. See them in The Great Gatsby.

Raj Koothrappali is an astrophysicist who sees stars when he feebly tries to chat up women. See them in The Big Bang Theory.

A passionate paleontologist with interests no one seems to share, Ross Geller tries to find love despite his past of abandonment and an awkward personality. See them in Friends.

If anyone can speak truth to power, it's Atticus Finch. With elequent monologues, he forces everyone to face hard truths. See them in To Kill a Mockingbird.

Rory Williams is a caring companion whose specialty is looking after others. See them in Doctor Who.