Because you like Quasimodo in The Hunchback of Notre Dame
Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.
A Haddock always has a trick up his sleeve! Tintin is lucky to have Captain Haddock as a companion to search for hidden treasure on an adventure around the world. See them in The Adventures of Tintin.
Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.
White Witch's heart is as frozen as the land she rules. See them in The Chronicles of Narnia.
Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.
A few millennia in the mortal realm have caused DEATH to be quite enamored of life. See them in Discworld.
Donkey is proof that if you're annoying enough you can change the world; he's the reason that his friend Shrek does, well, anything. See them in Shrek.
Although she's only six, Hushpuppy is a tough girl ready to stand up to terrifying, pre-historic beasts after the storm. See them in Beasts of the Southern Wild.
Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.
Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.