Because you like Harry Kim in Star Trek: Voyager

When Jessica Jones is not throwing back drinks, she's taking down bad guys with her strength, detective skills, and foul-mouthed insults. See them in Marvel Cinematic Universe.

Hawkeye is most comfortable perched above the action, keeping an eye on everything and using a well-timed arrow to save the day. See them in Marvel Cinematic Universe.

Taking down villains, standing up to sexism, and pulling off a bright-red lipstick are all in a day's work for Agent Peggy Carter. See them in Marvel Cinematic Universe.

Armin Arlert was wrong. This world hasn't become hell; it's been hell. He just couldn't see it before. See them in Attack on Titan.

Mikasa Ackerman is a near-perfect soldier who won't break her stone-faced expression whether she's killing foes or protecting loved ones. See them in Attack on Titan.

Some say to survive in Underland you need to be as mad as a hatter–which, luckily, he is. See them in Alice in Wonderland.

Princess-turned-General Leia Organa is a sharp, fearless royal who gets herself into trouble and fights her way out of it. See them in Star Wars Series.

John Watson is haunted by his past (who isn't) but he's starting to branch out with some help from a world class detective. See them in Sherlock.

Sheldon Cooper is brilliant in every way except, well, interacting with any human being. See them in The Big Bang Theory.

Thor is Asgardian nobility who is tickled by how us earthlings live. See them in Marvel Cinematic Universe.

A baker turned reluctant fighter, Peeta Mellark can charm his way out of just about any situation. See them in The Hunger Games .

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.