Because you like Robert Chase in House M.D.

An escaped convict on a mission, Sirius Black is brooding, brave, and reckless. See them in Harry Potter Series.

Quentin has his whole life mapped out. It might sound boring, but he likes boring. See them in Paper Towns.

Percy Jackson is an ordinary student thrust into the world of myth come alive. See them in Percy Jackson & The Olympians: The Lightning Thief.

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.

Wolverine is a hot-blooded Canadian with an adamantium skeleton who's the best at what he does. See them in X-Men Series.

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.

Adored, honored, and, most of all, feared, Miranda Priestly has the fashion industry in the palm of her hand. See them in The Devil Wears Prada.

If you hang out with Bender in cool dive bars in 31st century New York, make sure you're on his "Do Not Kill" list. See them in Futurama.

An ambitious man of science, Norman Osborn has become green with envy over Spider-Man's powers. See them in Marvel Cinematic Universe.

Ezio Auditore Da Firenze is a little short-tempered, a lot fun-loving. See them in Assassin's Creed Series.

All the world's a stage, and Missy Piggy's never one to give up the spotlight. See them in The Muppet Movie.

Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.