Because you like Dolores Umbridge in Harry Potter Series

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.

Eleanor puts up a tough front, even when everyone else tries to tear her down. See them in Eleanor and Park .

Liv Moore is a sarcastic high-achiever turned morally conflicted zombie. See them in iZombie.

Faith balances her adventurous thrill-seeking attitude with a righteous passion for justice. See them in Mirror's Edge.

Few high school students could be less concerned with labels. See them in Ouran High School Host Club.

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.

Everyone Barney Stinson knows is getting married or pregnant. But he's just getting more awesome. See them in How I Met Your Mother.

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Driven, resentful, and ruthless, Mello is an emotional powder keg. It's only a matter of time before he explodes. See them in Death Note.

When Jessica Jones is not throwing back drinks, she's taking down bad guys with her strength, detective skills, and foul-mouthed insults. See them in Marvel Cinematic Universe.

Jenna Rink is physically 30 but emotionally 13. She has a better excuse than most. See them in 13 Going on 30.