Because you like Amethyst in Steven Universe
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.
Mother Gothel is a great mother as long as you never, ever, break the rules. See them in Tangled.
A scary monster on the outside, James P. Sullivan is really a softie on the inside. See them in Monsters, Inc..
Charlie Bucket may be down-on-his-luck, but his spirits are always sky high. See them in Charlie and the Chocolate Factory.
Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.
Toph is a tenacious earthbender full of spirit and spunk and hates when people try to baby her because she's blind. See them in Avatar: The Last Airbender.
Jack Skellington is a nightmare-man with a soft heart and smooth voice. See them in The Nightmare Before Christmas.
This master marksman may be a villain, but Deadshot's motives aren't quite as selfish as they seem. See them in DC Extended Universe.
A short-tempered guy, Bowser is determined to wreak havoc on the Mushroom Kingdom. See them in Super Mario Bros..
Philip J. Fry accidentally cryogenically froze himself for a millennium. See them in Futurama.