Because you like Leonardo in Teenage Mutant Ninja Turtles

For Vada Sultenfuss, it's hard to embrace growing up when you're obsessed with death. See them in My Girl.

Rory Gilmore usually can be found with her nose in a book and coffee in hand, talking with her mom as quickly as the words can spill out. See them in Gilmore Girls.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Susanna Kaysen is an aspiring writer, despairing young woman who struggles with suicidal thoughts. See them in Girl, Interrupted.

You don't teach a class called "How To Get Away With Murder" without knowing a thing or two about getting away with things. See them in How to Get Away with Murder.

Smart but insecure, Tally Youngblood is torn between what she wants and what her society demands. See them in Uglies.

Manipulative, gorgeous, and sharp as a tack, Blair Waldorf is a classic product of the Upper East Side. See them in Gossip Girl.

An aloof punk rock goddess, Nana Osaki has a surprisingly big heart. See them in Nana.

Titus Andromedon will show you the ropes, help you with your problems, and sing at you constantly, whether you like it or not. See them in Unbreakable Kimmy Schmidt.

The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.

Pro tip: the psych ward is not the best place to find a mentor like Lisa Rowe. See them in Girl, Interrupted.