Because you like William Miller in Almost Famous

Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.

Korra is stubborn, outgoing, and faced with huge responsibilities she might not be ready for. See them in The Legend of Korra.

This high school queen bee has everything, including a genius-level IQ—a fact Lydia Martin keeps hidden to maintain her image. See them in Teen Wolf.

Percy Jackson is an ordinary student thrust into the world of myth come alive. See them in Percy Jackson & The Olympians: The Lightning Thief.

There's no one cooler than this intergalactic smuggler who hangs out in dens of iniquity all over the galaxy. And Han Solo knows it! See them in Star Wars Series.

Adored, honored, and, most of all, feared, Miranda Priestly has the fashion industry in the palm of her hand. See them in The Devil Wears Prada.

He may forget his homework, lose his toad, and fall off brooms, but Neville Longbottom can also single-handedly destroy villains. See them in Harry Potter Series.

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

She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.

Finn pulled off the impossible: he quit life as a Stormtrooper. Unfortunately, life only got more complicated after that. See them in Star Wars Series.

After surviving consecutive fights-to-the-death (damn you, President Snow!), Katniss Everdeen is thrust to the front lines of a real war. See them in The Hunger Games .