Because you like Karen Smith in Mean Girls

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

People make more sense to the hyper-logical Temperance Brennan after they're dead. See them in Bones.

Beneath Arthur's brash demeanor lurks the heart of a compassionate future king destined to unite the five kingdoms. See them in Merlin.

Few can match this dwarf when it comes to self-confidence. Gimli is as eager for a good time as he is for a fight. See them in The Lord of the Rings.

Though she can seamlessly flit between glamorous identities, Sydney Prosser is more vulnerable than she pretends to be. See them in American Hustle.

Nina Sayer finally landed the role of prima ballerina, but as tension ramps up in rehearsal, she starts losing her mind. See them in Black Swan.

Marshall Eriksen is a lawyer in love who is enjoying life. See them in How I Met Your Mother.

Benoit Blanc is Sherlock with Southern charm, and a mysterious benefactor. See them in Knives Out.

Susie Salmon has a big heart, even though it's not beating anymore. See them in The Lovely Bones.

Don't ask Rosa Diaz, a Brooklyn detective, to lighten up. Actually, to be safe, don't ask her to do anything! See them in Brooklyn Nine-Nine.

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.