Because you like Gordie Lachance in Stand By Me
Usagi Tsukino may look like a lazy teen, but when Usagi conjures up her alter ego and calls her Sailor Scout team, no villain stands a chance. See them in Sailor Moon.
Artemis Fowl understands the way of the world. If he wins, he's a prodigy. If he loses, then he's crazy. That is how history is written. See them in Artemis Fowl.
A sadistic sociopath, Lil Z is helping make the City of God slum a Hell on Earth. See them in City of God.
Usually the life of the party, Laszlo is now seriously planning the vampiric takeover of the New World. Or at least Staten Island. See them in What We Do In The Shadows.
Emmet Brickowski is so upbeat it's not even human. Everything is AWESOME! See them in The Lego Movie.
He tells you everything you need to know: "I. Am. Groot." See them in Marvel Cinematic Universe.
His elfin self-confidence can border on pretension, but Legolas Greenleaf is a fearsome fighter and a loyal friend. See them in The Lord of the Rings.
Francis Freeman may be impervious to pain, but he sure knows how to inflict it. See them in Deadpool.
A resourceful ship systems engineer, Isaac Clarke does his best to batttle the infection spreading across space. See them in Dead Space.
A crabby troll, Karkat Vantas is perpetually angry about his lot in life. See them in Homestuck.
Make sure not to anger the Hulk or else he will transform into a giant green monstrosity and smash anything in his way. See them in Marvel Cinematic Universe.