Because you like Alex Karev in Grey's Anatomy

Her unhappy childhood has left her unsure of the existence of happy endings. Mary Jane Watson hides her pain beneath a joke and a smile. See them in Marvel Cinematic Universe.

Clay Jensen's friend Hannah is gone, and he is determined to find out why even if that brings him pain. See them in Thirteen Reasons Why .

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.

Carolos has perfect hair, a lab coat, and a constant readiness to do science. See them in Welcome to Night Vale.

Hayley Stark is a sarcastic 14-year-old with an unusual passion. See them in Hard Candy.

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

When the going gets tough, Dre Johnson gets tougher. Well, he'd like to think he does. See them in Blackish.

Frank Reynolds is too gross even for the prostitutes he hires. See them in It's Always Sunny in Philadelphia .

Mr. Blonde is the undisputed leader of his pack of suited-up outlaws, with a stoic and serious demeanor, and a penchant for bloodshed. See them in Reservoir Dogs.

Daria Morgendorffer is so defensive that she actively works to make people dislike her so that she don't feel bad when they do. See them in Daria.

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.

When their organization was infiltrated by evil HYDRA, who was the one guy Captain America trusted? A former soldier with kickass wings named Sam Wilson. See them in Marvel Cinematic Universe.