Because you like Ophelia in Hamlet
Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.
The son of Death has an obsession with perfection and symmetry. See them in Soul Eater.
Lelouch vi Britannia is a high school student by day, masked destroyer of tyrannical empires by night. See them in Code Geass.
His superiority complex coupled with his bitter desire for revenge makes Vegeta a formidable foe. See them in Dragon Ball Z.
The quiet, intense Daryl Dixon lets his crossbow do the talking. See them in The Walking Dead.
Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.
Don't worry about this forensic scientist offing you unless you're a serial killer yourself. (You're not, right? Just checking.) See them in Dexter.
When the going gets tough, Dre Johnson gets tougher. Well, he'd like to think he does. See them in Blackish.
Simba just can't wait to be king, but he's got a lot of growing up to do first. See them in The Lion King.