Because you like Summer Finn in (500) Days of Summer

Steve Stifler is more than just a dude with a hot mom. He's also rude, profane, and obnoxious. See them in American Pie.

Blaine Anderson is a put-together prep school boy with the voice of an angel. See them in Glee.

Samantha Jones is a try-sexual who'll try anything once. See them in Sex and the City.

Ethan Hunt's mission, should he chose to accept it, is to save the world from impossible threats. See them in Mission: Impossible.

Don't ask the ruthless queen of the Tokyo underworld any questions unless you're fine with losing a limb. See them in Kill Bill vol. 1.

Anya Jenkins has a real harsh bark to go with her demonic bite. See them in Buffy the Vampire Slayer.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

Charlie Kelmeckis is a wallflower who's starting to blossom into something more. See them in The Perks of Being a Wallflower.

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

Margaery Tyrell is one of the most adept and charming liars there is. See them in Game of Thrones.

After having his mind altered after a bad breakup, Joel Barish is not convinced that ignorance is bliss. See them in Eternal Sunshine of the Spotless Mind.