Because you like Roger Sterling, Jr. in Mad Men

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

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

Claire Standish is a popular, perfect princess who's deeper than she seems. See them in The Breakfast Club.

Relentlessly cheery Ned Flanders enjoys a nice piece of bread with water on the side for dipping See them in The Simpsons.

Abbi Abrams is the ultimate wingwoman because she wants nothing more than to have a good time for its own sake. See them in Broad City.

The brilliant Mona Vanderwaal is proof that undergoing an "extreme makeover" isn't always a good thing. See them in Pretty Little Liars.

A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.

Andy Dwyer might not be completely literate, but he makes up for it in spirit. See them in Parks and Recreation.

Holland March is known to wake up hungover in full bathtubs. See them in The Nice Guys.

Cady Heron is the new girl in town who's also new to the world of high school, period. See them in Mean Girls.