Because you like Mrs. Lovett in Sweeney Todd: The Demon Barber of Fleet Street

The irrepressible Lucy Ricardo has never met a challenge she couldn't scheme her way into or out of. See them in I Love Lucy.

Sarah Kerrigan is pretty much the Queen Bitch of the Universe. See them in StarCraft .

Although Jareth seems like he's just a harmless romantic, his powers make him a formidable foe. See them in Labyrinth.

A believer in the philosophy of Nietzsche, Dwayne Hoover has taken a vow of silence until he becomes a test pilot for the Air Force. See them in Little Miss Sunshine.

Kathryn Merteuil may be a vain sociopath, but you won't be able to look away. See them in Cruel Intentions.

Blake Henderson is happiest smoking weed on the roof ‘til the end of time, but the real world just has a way of killing his vibe. See them in Workaholics.

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

Xena's a warrior on a redemptive quest who excels in extreme sports and uses a whip to block axes in mid-air. See them in Xena Warrior Princess.

After alien Haruko rides in on her Vespa, giant robots spouting from Naota Nandaba's forehead soon become the least of his worries. See them in FLCL.

Derek Shepherd is a talented and passionate neurosurgeon. Some people call him McDreamy. See them in Grey's Anatomy.

Eponine is a scrappy street urchin with a bad case of unrequited love. See them in Les Miserables.

A premier member of the leather cat-suit club, Selene can chill you with a stony look, or ice you with her ninja moves. See them in Underworld.