Because you like Sandy Cheeks in SpongeBob SquarePants

This metal-bending mutant may be misaligned with the genetically normal people of the world, but Magneto's got class for days. See them in X-Men Series.

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.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.

An outgoing and quirky optimist, Louisa Clark has a zest for life. See them in Me Before You.

Fun and feisty on the outside, Meredith Grey is dark and twisty on the inside. See them in Grey's Anatomy.

Maka is determined to collect and purify 99 Kishin eggs– human souls that have been corrupted by evil– and one witch soul. See them in Soul Eater.

Hiccup Haddock III may be the only Viking nerd in recorded history. See them in How to Train Your Dragon.

His murderous megalomania aside, Loki is quite charming. Just don't mention his strapping older brother; he's a tad jealous. See them in Thor / The Avengers.

Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.

Lucille Bluth doesn't understand the question, and she won't respond to it. And you're probably better off. See them in Arrested Development.

With a brilliant mind, an insane level of confidence, and a penchant for drunken dancing, Cristina Yang is a force to be reckoned with. See them in Grey's Anatomy.