Because you like Cosima Niehaus in Orphan Black

In charge of stocking the office's supply of cigarettes and liquor, Joan Holloway could run the whole company if they would let her. See them in Mad Men.

Combining an innocent face with an insatiable bloodlust, Eli recruits friends to join the vampire way of life. See them in Let the Right One In.

Claire Underwood is scary intimidating, and she knows it. See them in House of Cards.

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.

Ava may just be the perfect woman. So long as she can pass a Turing test. See them in Ex Machina.

A natural leader, Clarke Griffin dispenses both justice and mercy, and she does it all while being selflessly humble. See them in The 100.

Rebecca Bunch struggles with decision making. So much so that she chases her high school boyfriend across the country to win him back. See them in Crazy Ex-Girlfriend.

With an incredible ability to fake a smile, Selina Meyer is a gifted politician serving as Vice President. And maybe one day the President will actually call her. See them in Veep.

A Washington DC fixer, Olivia Pope can make roadblocks disappear with a single phone call. "It's handled" is her life motto. See them in Scandal.

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

Norma Bates may look like a harmless housewife, but don't let that fool you. See them in Bates Motel.

Dutiful, composed, and aloof, Sun Bak is the fighting force behind her team of eight "sensates" who are telepathically linked. See them in Sense8.