Because you like Leonard Hofstadter in The Big Bang Theory

It's a race against time to develop his theory of the origins of the Universe before Stephen Hawking's body and mind give out. See them in The Theory of Everything.

As a doctor-in-training, John Dorian should have his head in the game. But most of the time, it's in the clouds. See them in Scrubs.

Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.

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

Li Shang will make a man out of you—even if you're a girl. See them in Mulan.

This elf loves smiling, eating sugar, and spreading Christmas cheer. And no matter what, Buddy always sees the best in people. See them in Elf.

A karate master/rocket scientist/squirrel, Sandy Cheeks is the only one who can clean up the other resident's messes in Bikini Bottom. See them in SpongeBob SquarePants.

Ted is a cursing, smoking, drinking teddy bear who's anything but cuddly. See them in Ted.

Anastasia Steele's new boyfriend Christian might as well come with a warning label that reads "Beware: Severe Issues That Might Warrant a Trip to Dr. Phil." See them in Fifty Shades of Grey.

One of the best in the magical world, Mad-Eye has the battle scars to prove his dedication to such a dangerous job. See them in Harry Potter Series.

With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.

Dorothy Gale is a down-home Kansas girl in a bizarre fantasy land with beautiful red shoes. See them in The Wizard of Oz.