Because you like Knuckles the Echidna in Sonic the Hedgehog

Tiffany Doggett is usually a nice, good Christian. Just don't get her riled up! See them in Orange Is The New Black.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

Angel is fighting as best as he can, but the disease might be too powerful for even his strong, positive energy. See them in Rent.

Catherine Linton was once spontaneous and rowdy but ever since marrying the wealthy Edgar, she has morphed into a boiling pot of emotional outbursts. See them in Wuthering Heights.

Keren Walker is a socialite looking to avoid work, keep a constant buzz, and be as snarky as possible. See them in Will & Grace.

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

Regina Mills is a cold evil queen turned chilly town mayor. See them in Once Upon a Time.

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

Inmate "Crazy Eyes" is a poetic soul with some big, expressive eyes. See them in Orange Is The New Black.

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 .

Raised to happily follow the rules, Cassia might actually be more rebellious than she thinks she is. See them in Matched .