Because you like James Wilson in House M.D.

John Yossarian is trapped in irony as he must be insane to leave the war but if he does try to leave, he'll be deemed sane and will be forced to stay, See them in Catch-22.

Prim and proper Allie Hamilton was raised to follow the rules. But she's got a fiery rebellious side too. See them in The Notebook.

Beth March is the glue that holds her family together. See them in Little Women.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

Milhouse Van Houten is happy to be second banana. See them in The Simpsons.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

Serena van der Woodsen is a wild child. Too wild, her friends and family might argue. See them in Gossip Girl.

Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.

For the sake of science, Kurisu Makise will persevere no matter how deep into the dark secrets of the world she finds herself. See them in Steins;Gate.

The vampire that killed Zero Kiryu's family also infected him, and he starts to crave blood, much to his horror. See them in Vampire Knight.

Donatello might come off as a tad nerdy, but don't let his geekiness fool you. He's a trained ninja and a skilled fighter. See them in Teenage Mutant Ninja Turtles.

Sylar's victims are found all over the country, many with their brains removed. See them in Heroes.