Because you like Klaus Baudelaire in Lemony Snicket's A Series of Unfortunate Events
Waylon Smithers would do anything for his boss, and would love to do a few things *to* him. See them in The Simpsons.
Columbus can't trust anyone. The first girl he let into his life tried to eat him. See them in Zombieland .
David Nolan is a noble fairy tale prince with the heart of a hero, regardless of whether he can remember his past or not. See them in Once Upon a Time.
Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.
His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.
Alfredo Linguini can whip up five star meals effortlessly. Just don't look under his hat. See them in Ratatouille.
Nothing inspires dread like the mysterious, masked Man in Black. But what's he hiding? See them in The Princess Bride.
His nickname of 'Zero' says a lot about what other people think of him, but he's finally standing up for himself. See them in Holes.
Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.