Because you like Astrid Hofferson in How to Train Your Dragon

Peter Venkman's "research" projects are designed to get undergraduate students to sleep with him. Though it turns out he can bust ghosts. See them in Ghostbusters.

Jesse Aarons' frustration can only find outlet in another world. See them in Bridge to Terabithia.

A cruel pirate, Captain Hook still fancies himself a gentleman. See them in Peter Pan.

Squidward Tentacles is a pretentious clarinet player in search of peace and quiet. See them in SpongeBob SquarePants.

The self-described "ghost with the most" knows the ins-and-outs of specter life like no other. Just ask him. See them in Beetlejuice.

As the hero of time, Link is reborn throughout history, always with the purpose of fighting and defeating the evil Ganon. See them in The Legend of Zelda.

With a dangerous medical condition, Ignoring the rules makes him feel like he’s in control. See them in Five Feet Apart.

You won't like him when Bruce Banner is angry. See them in Marvel Cinematic Universe.

Sometimes being a supportive girlfriend like Ophelia doesn't work out too well. See them in Hamlet.

A machete-wielding mass-murderer, Jason Voorhees is a terrifying blank slate. See them in Friday the 13th.

Leonard Hofstadter is the normal one among his scientist friends, though in fairness that's a low bar. See them in The Big Bang Theory.