Because you like Marty Faranan in Seven Psychopaths

Newt Scamander is more comfortable with animals than people, even if the animals are super-dangerous magical creatures. See them in Fantastic Beasts and Where To Find Them.

Clementine Kruczynski thinks that too many guys think she's a concept, or she completes them, or she's gonna make them alive. See them in Eternal Sunshine of the Spotless Mind.

Fox Mulder is a devoted believer in aliens, monsters, and that the truth is out there. See them in The X-Files.

Academics weren't his strong suit. Luckily, Jesse Pinkman's street smarts are a cut above the rest. See them in Breaking Bad.

Even the smallest person can change the course of the world, if he's brave enough. See them in The Lord of the Rings.

Brilliant, violent, and only a little insane, the Joker doesn't listen to anyone except the voices in his head. See them in DC Extended Universe.