Because you like Sun Kwon in Lost
The brilliant and well-adjusted Ender Wiggin is being groomed for the next generation of military leaders to fight alien invaders. See them in Ender's Game.
Self proclaimed, Fat Amy, likes horizontal running and mermaid dancing. Important skills, one could argue. See them in Pitch Perfect.
She's mostly doom and gloom, but you'd get nowhere without Sadness. See them in Inside Out.
Steven Universe is an excitable youth who likes junk food and trying to save the world. See them in Steven Universe.
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.
Optimus Prime is a shapeshifting sentient robot leading a team of robots to stop evil from taking over. See them in Transformers.
Violet Parr is an angsty teen would love to become even more invisible than her superpowers allow. See them in The Incredibles.
A debonair spy, Harry Hart is the epitome of a gentleman, even when he calmly takes down multiple men with a militarized umbrella. See them in Kingsman: The Secret Service.
An infamous vampire, Alucard is a one-man killing machine with a philosophical side. See them in Hellsing.
He's a troubled insomniac in search of a moment to rest and a meaning to his existence. See them in Fight Club.