Because you like Mario in Super Mario Bros.

This android may not have emotions, but Lt. Commander Data's curiosity about humanity is endless. See them in Star Trek: The Next Generation.

Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.

Sharply perceptive and stubbornly principled, Jane Eyre might not have a very loud voice, but she knows when and how to use it. See them in Jane Eyre.

Christine Daae has been secretely taking lessons from a phantom musician. It sounded less creepy in her head. See them in The Phantom of the Opera.

Michael Moscovitz is a high school student of few words but a lot of heart. See them in The Princess Diaries.

Ted Mosby is a hopelessly romantic architect in search of someone to be the mother of his children. See them in How I Met Your Mother.

Victor Frankenstein can create life, so he's pretty awesome if he says so himself. See them in Frankenstein.

Cher Horowitz may have a problem with hubris, but she looks utterly fabulous while learning a lesson about the dangers of meddling. See them in Clueless.

A passionate paleontologist with interests no one seems to share, Ross Geller tries to find love despite his past of abandonment and an awkward personality. See them in Friends.

Driven by obsession and anxiety, Monk bravely overcomes, or at least battles, his fears to help the world. See them in Monk.

Park feels like an outsider everywhere he goes, but he doesn't know if he wants to try fitting in anymore. See them in Eleanor and Park .

When he's not working as a detective, Lucifer is driving around in a black convertible or having one-night stands. See them in Lucifer.