Because you like Victor Van Dort in Corpse Bride
Mr. Fox will never truly be happy without a dead chicken between his chompers. See them in Fantastic Mr. Fox.
The Grinch's heart is just too small to appreciate Christmas. See them in Dr. Seuss' How the Grinch Stole Christmas.
Louis de Pointe du Lac is wanting to find a way of living that doesn't make him miserable. See them in Interview with the Vampire: The Vampire Chronicles.
Kevin Khatchadourian is a disturbed, affect-less teen on a dark path. See them in We Need to Talk About Kevin.
Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.
Anger is a cantankerous hothead whose job is to get others riled up. See them in Inside Out.
Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.
Johannes Betzler is an overwhelmed little boy caught up in deeply confusing times. See them in Jojo Rabbit.
Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.
Working as a captain in the American Expeditionary Forces and a spy for British Intelligence, Steve Trevor wants to end World War I once and for all. See them in DC Extended Universe.