Because you like Leonard Hofstadter in The Big Bang Theory

Frederick Frankenstein is an eccentric (O.K., maybe a little insane) professor who is excited to be delving into his family's past. See them in Young Frankenstein.

Quentin Coldwater has always suspected there was something different about him, and now he has the chance to prove it. See them in The Magicians.

Marinette Dupain-Cheng is a shy teenage girl, fashion designer, and superhero. See them in Miraculous: Tales of Ladybug & Cat Noir.

The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.

Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

Although Theon Greyjoy is treated well, he's still essentially a hostage. And that isn't so easy for him to forgive. See them in Game of Thrones.

K-2SO is a blunt and sarcastic reprogrammed Imperial droid who is always up for an adventure. See them in Rogue One.

Franklin "Mouse" Finbar is a jock paying the price for his mistake. See them in Jumanji.

Nancy Wheeler is popular but independent, sheltered but gutsy. See them in Stranger Things.