Because you like Cosima Niehaus in Orphan Black

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.

Self-described as half-Slytherin, half-Ravenclaw, Molly Davidson has a big, demanding personality that doesn’t always leave space for other people’s emotions. See them in Booksmart.

Cosmo Kramer is an eccentric schemer whom you might know better as the "Assman." See them in Seinfeld.

Will Herondale is an emotionally distant bad boy with a secret. See them in Clockwork Angel .

Smart but insecure, Tally Youngblood is torn between what she wants and what her society demands. See them in Uglies.

Dimitri Belikov is a stoic vampire guardian who has the reserve, focus, and discipline of a soldier. See them in Vampire Academy .

Murph is inquisitive, compassionate, and stubborn, with a passion for science she shares with her dad. See them in Interstellar.

When the going gets tough, Dre Johnson gets tougher. Well, he'd like to think he does. See them in Blackish.

Max Fischer is the President of every club who's fighting to save Latin at his school and kiss his teacher. See them in Rushmore.

When it comes to dancing and life, nobody puts Frances Houseman in the corner. See them in Dirty Dancing.

A girl who grew up on stories, Meggie Folchart is as loyal and intrepid as one of her fictional heroines. See them in Inkheart.

When a half-breed breaks the rules, John Constantine deports them straight back to hell. He's trying to buy his way into heaven. See them in Constantine.