Because you like Alison DiLaurentis in Pretty Little Liars

Facing off-the-charts murder, drugs, and teenage heartbreak in Riverdale, Betty Cooper pursues justice with help from her friends. See them in Riverdale.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Ferociously independent and wickedly smart, Fiona Goode is a Supreme Witch who truly reigns supreme. See them in American Horror Story.

Mark Sloan is the best plastic surgeon and biggest playboy the hospital's ever seen. See them in Grey's Anatomy.

Haley Dunphy's interests include shopping, dating, and avoiding homework at all costs. See them in Modern Family.

Alex Russo desperately wants to keep her magic – after all, things are so much easier when you can just wave a wand. See them in Wizards of Waverly Place.

A contemptuous aristocrat, Violet Crawley is unafraid to exert her authority and voice her opinions, no matter how harsh they are. See them in Downton Abbey.

Sue Sylvester has a win-at-all-costs philosophy, a bizarre fixation on a school singing club, and a fashion style that involves a red tracksuit. See them in Glee.

Holly Golightly spends so much time trying to be other people's dream girl, she doesn't really know what kind of girl she actually is. See them in Breakfast at Tiffany's.

Vivian Ward is a no-nonsense working girl with fairy-tale dreams. See them in Pretty Woman.

Accessing more than 10 percent of your brain can do strange things to anyone, and Lucy is Exhibit A. See them in Lucy.

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.