Because you like Philip J. Fry in Futurama

Princess Bubblegum is brilliant and determined, but can display a nasty temper. See them in Adventure Time.

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.

Growing up is hard for Carl Grimes. Growing up in a zombie apocalypse is even harder. See them in The Walking Dead.

A singing nanny, Mary Poppins is practically perfect in every way. See them in Mary Poppins.

No one else in fsociety can hack like Elliot Alderson, but the battles being waged in his head are often more than he can handle. See them in Mr. Robot.

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

Underneath his preening narcissist exterior, Schmidt is, well, still kind of a preening narcissist. But he has a good heart too. See them in New Girl.

Manipulative, conniving, and ruthless, Mr. Gold is enigmatic no matter what world he's in. See them in Once Upon a Time.

A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.

Seth is short-tempered, crude, and terrible at school, but hopefully there's nothing an epic party can't fix. See them in Superbad.

A suave manipulator, Sebastian Valmont is valiantly fighting off a developing conscience. See them in Cruel Intentions.