Because you like Gilderoy Lockhart in Harry Potter Series

Patrick Star enjoys life's simple pleasures because he can't wrap his brain around anything more complicated. See them in SpongeBob SquarePants.

Despite being at the bottom of the social hierarchy in school, Eric Effiong is an upbeat student who loves makeup and fashion. See them in Sex Education.

In the simplest terms, in the most convenient definitions, people consider Brian a nerd. But he's more than that. See them in The Breakfast Club.

With a song always on her lips and her heart on her sleeve, Maria von Trapp is the governess every kid dreams of. See them in The Sound of Music.

Luke Danes will serve you coffee and always be there for you to help out. See them in Gilmore Girls.

Emily Gilmore is the DAR chair, proud grandmother, and full of opinions. See them in Gilmore Girls.

As high-strung as she is talented, Rachel Berry both marches and sings to the beat of her own drum. See them in Glee.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.

An opinionated pothead with a passion for conspiracy theories, Steven Hyde is secretly more sensitive than he lets on. See them in That '70s Show.

Experiment 626 was designed for one thing: to destroy everything he touches. See them in Lilo & Stich.

A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..