Because you like Donna Carmichael in Mamma Mia!

Rue Bennett has been overprescribed and under-supervised her entire life. See them in Euphoria.

Veronica Sawyer thinks that if you were happy every day of your life you wouldn't be a human being, you'd be a game-show host. See them in Heathers.

A 100-plus-year-old who looks like a dreamy teenager, Edward Cullen warns girls to avoid him, which makes them want him even more. See them in Twilight.

Sharply perceptive and stubbornly principled, Jane Eyre might not have a very loud voice, but she knows when and how to use it. See them in Jane Eyre.

Chris Chambers is from a family of social outcasts and criminals, and he wants more than anything to avoid ending up like them. See them in Stand By Me.

Susie Salmon has a big heart, even though it's not beating anymore. See them in The Lovely Bones.

Casey Gardner is an angsty teenage girl with quite a bit of sass that keeps getting her in trouble. See them in Atypical.

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

Freelance writer Diane is dating a dog and writing a memoir of a horse. See them in Bojack Horseman.

Lying is the most fun a girl like Alice can have without taking her clothes off. See them in Closer.

Elaine Benes is a tough New Yorker who can hang with the guys, and date the ones who are "sponge-worthy." See them in Seinfeld.

Not a great influence with her classmates, this 13-year-old "cool girl" likes to shoplift, chug alcohol, and snort crushed pills. See them in thirteen.