Because you like Rei Ryugazaki in Free! Iwatobi Swim Club

He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.

Pro tip: the psych ward is not the best place to find a mentor like Lisa Rowe. See them in Girl, Interrupted.

A responsible kid, Hugo Cabret is still capable of flights of fancy. See them in Hugo.

The Terminator is an emotionless killing machine who won't stop until he's changed the future. See them in The Terminator.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Severus Snape is a misanthropic potions teacher with a vindictive streak. See them in Harry Potter Series.

A dreamy space cadet, Luna Lovegood has never met a conspiracy theory she didn't believe in. See them in Harry Potter Series.

Homer Simpson is a beer-loving disaster in charge of nuclear safety in Springfield. Everybody run! See them in The Simpsons.

Castiel might be an immortal angel, but the human world is still more than a little confusing. See them in Supernatural.

Tarzan is walking the line between human and animal. Good thing he has excellent balance. See them in Tarzan.

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