Because you like Seth in Superbad

Free-spirited Annie Hall goes through life saying "La-di-da, la-di-da, la la." See them in Annie Hall.

Roger is a pansexual alcoholic non-human who will happily lie, cheat and steal to get what he wants. See them in American Dad!.

Amber Holt is perpetually caught between forging her own path and stumbling around in the dark. See them in Parenthood.

Eugene H. Krabs is a greedy restaurant owner who won't let a dime out of the reach of his claws. See them in SpongeBob SquarePants.

You wouldn't know it by looking at her, but beneath Sheila Jackson's sweet, motherly exterior lies a sex addict. See them in Shameless.

Ellen Ripley defines the word "badass." When she's not leading her crew on an interstellar voyage, she's slaying terrifying creatures. See them in Alien.

Though seemingly caring and calm, this motel owner has a mysterious streak of intensity. See them in Psycho.

Did he ever tell you the definition of insanity? Just wait, and this psychopath will do just that. See them in Far Cry 3.

Warm and caring, Kitty Forman acts like a mom towards all of her kids' friends. See them in That '70s Show.

Although Mako Mori may be small and quiet, she is a core of battle-hardened steel. See them in Pacific Rim.

If this slick ad man doesn't like the conversation, he changes it—while drinking and smoking. See them in Mad Men.