Because you like Marion Crane in Psycho

A precocious 11-year-old, Satsuki Kusakabe is not quite as grown up as she pretends to be. See them in My Neighbor Totoro.

They say money can't buy happiness, but this reckless, high-flying banker knows otherwise. See them in The Wolf of Wall Street.

Charming and enigmatic, Amy Dunne takes her love for puzzles to a cunning new level. See them in Gone Girl.

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

Betty Cooper seems like a sweet girl, but she also has a dark side and can go beyond what's safe or sane. See them in Archie Comics.

Intelligent and confident, Maeve Wiley grew up alone and has no problem hitting you in the crotch if you disrespect her. See them in Sex Education.

Alex DeLarge likes his favorite milk-based, drug-laced cocktail. It helps him get in the mood for a night of "ultra violence." See them in A Clockwork Orange.

Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.

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.

Jacob Black is the boy next door who's also the wolf next door. See them in Twilight.