Because you like Damien Thorn in The Omen
Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.
He's a dedicated cop and a nice guy. But James Gordon is learning that Gotham is not a city for nice guys. See them in Gotham.
Just because Dracula wants to suck your blood doesn't mean he's not a gentleman. See them in Dracula.
An inter-dimensional demon, Bill Cipher dreams of a more chaotic Gravity Falls. See them in Gravity Falls.
The incomplete experiment of an inventor, Edward Scissorhands was left with blades instead of hands and an unpolished understanding of the world. See them in Edward Scissorhands.
Corpse Bride's dreams were taken from her. But now - now she's stolen them from someone else. See them in Corpse Bride.
Squidward Tentacles is a pretentious clarinet player in search of peace and quiet. See them in SpongeBob SquarePants.
Lady Bird's heart is in the right place, usually, but even the purest of people can fall sway to the havoc-wreaking traps of senior year. See them in Lady Bird.
Joyce Byers isn't crazy. She's just speaking to her missing son across dimensions using Christmas lights. See them in Stranger Things.
When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.
While Alan Garner is loyal to his new friends, his efforts to help them often do more harm than good. See them in The Hangover.