Because you like Margaret Houlihan in M*A*S*H

The Hastings family is old and powerful, and Spencer will do anything to continue excelling. See them in Pretty Little Liars.

Megamind is searching for purpose in a supervillain life without a superhero to fight. See them in Megamind.

Matilda Wormwood is so smart, she taught herself how to be psychic. See them in Matilda.

A vampire hunter, Integra Hellsing doesn't tolerate failure, least of all her own. See them in Hellsing.

Pro: Johan Liebert is handsome and charming. Con: he's also a sociopathic killer. See them in Monster (TV Show).

Thanks to the contributions of this 14-year-old, the world is only occasionally destroyed by his grandfather. See them in Rick and Morty.

If you cross him, Tommy Shelby is the last man you'll ever see. Not too hard on the eyes though. See them in Peaky Blinders.

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

Lyra Belacqua is prone to getting in trouble, but she's also clever enough to get out of it. Most of the time. See them in The Golden Compass.

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.

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

For Dana Scully, sometimes looking for extreme possibilities makes you blind to the probable explanation right in front of you. See them in The X-Files.