Because you like Gimli in The Lord of the Rings

Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.

With his own ship, Peter Quill calls his own shots, and gets to fly from planet to planet blasting '70s pop hits and picking up alien chicks. See them in Marvel Cinematic Universe.

Stuck on a lifeboat with zoo animals without food and fresh water, Pi Patel uses his intelligence to face the greatest test of all: survival. See them in Life of Pi.

Roman Roy is an entitled rich boy, but he's smarter than he seems. See them in Succession.

An off-beat dork, John Egbert is funny, inventive, and endlessly optimistic. See them in Homestuck.

Susanna Kaysen is an aspiring writer, despairing young woman who struggles with suicidal thoughts. See them in Girl, Interrupted.

Stuck in space, Ryan Stone will either make it back to Earth and have one hell of a story to tell. Or she will burn into the ether. See them in Gravity.

Meat Boy tenaciously throws himself into danger, and when he fails, he immediately gets back up and tries again. See them in Super Meat Boy.

Trevor Phillips is an unpredictable maniac who tortures people for no reason. See them in Grand Theft Series.

Brilliant but self-destructive, Lip Gallagher spends more time stirring up trouble than hitting the books. See them in Shameless.

Can you be reckless and still be in control? Neil McCormick hopes so. See them in Mysterious Skin.

Cooper says he used to look up at the sky and wonder at our place in the stars, but now he looks down and worry about our place in the dirt. See them in Interstellar.