Because you like Mona Vanderwaal in Pretty Little Liars

An all-business doc , Miranda Bailey dispenses tough love to the interns she trains. Emphasis on "tough." See them in Grey's Anatomy.

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.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

Quirky teen Carly Shay is the director of her own life story. See them in iCarly.

Sensual, wild, and with a penchant for controlled substances, Lily is a ballet dancer who isn't afraid to let loose. See them in Black Swan.

Gretchen Wieners is the gossip queen in her clique. See them in Mean Girls.

A Hollywood starlet with a vindictive streak, Madison Montgomery is one witch that you shouldn't cross. See them in American Horror Story.

Breaking bones and hearts, Callie Torres has figured out how to put the bones back together. But the hearts? Not so much. See them in Grey's Anatomy.

Veronica Lodge is a quintessential mean girl trying to make a better life, and a better self. See them in Riverdale.

Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

Nate Archibald is confident, shrewd and trying to do the right thing. But that isn't always easy on the ruthless Upper East Side. See them in Gossip Girl.