Because you like Juno MacGuff in Juno

Finn is the world's last human who's "all about" understanding right and wrong. See them in Adventure Time.

Ponyboy Curtis is a "Greaser" on the surface, but he's a sensitive poet underneath. See them in The Outsiders.

Mario is a plumber who wears a ridiculous outfit, eats weird looking mushrooms, and fits himself inside your pipes so he can save a princess. See them in Super Mario Bros..

Bella Swan thinks of it as her job to help her parents and protect her friends, even though it often ends up the other way around. See them in Twilight.

Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.

Danny Zuko's car is auto-matic. Its system-matic. Its hyyyyydro-matic. Why, its greased lightning! See them in Grease.

Dante Alighieri is a crusader fighting his way to absolution. See them in Dante's Inferno.

Simon Belmont is a vampire hunter bravely carrying on the family business. See them in Castlevania.

Although Penny's friends have genius-level IQs, they regularly come to her for advice and insight. See them in The Big Bang Theory.

His name is Inigo Montoya and whoever killed his father should be prepared to die. See them in The Princess Bride.

A kind and funny valedictorian, Gwen Stacy likes to make out with Spider-man when her homework's done. See them in Marvel Cinematic Universe.