Because you like Penny Hartz in Happy Endings

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

Sookie St. James is a klutzy and perfectionist chef who's always there for her friends. See them in Gilmore Girls.

Topanga Lawrence has been a put-together intellectual since basically the moment she could talk. See them in Boy Meets World.

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.

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.

Oliver Tate is extremely articulate but hopelessly awkward. That's not a recipe for teenage happiness. See them in Submarine.

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

After years of being a nerdy loner, Seth Cohen can't wait to shower charm on his newfound friends. See them in The O.C..

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

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