Because you like Kathryn Janeway in Star Trek Voyager

Although she is underestimated, Lagertha never fails to prove her worth as both a warrior and a mother. See them in Vikings.

A no-nonsense pro, Agent K has dedicated his whole life to his job. See them in Men in Black.

The seasoned detectives in River Heights have got nothing on amateur sleuth Nancy Drew. See them in Nancy Drew.

Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.

Kim Kelly is a high school bully who's normally in a bad mood. But there's a softer side to her. See them in Freaks and Geeks.

Green skin, pointy hat, evil cackle—this villain has it all! See them in The Wizard of Oz.

Both a noble district attorney and a psychopathic villain, Harvey Dent proves some men really can have it all. See them in DC Extended Universe.

Alex Danvers is a brilliant engineer tasked with alien threats, and one of those aliens is her adopted sister Supergirl. See them in Supergirl.

Maya Lambert is an obsessive intelligence officer with tunnel vision leading toward Osama bin Laden. See them in Zero Dark Thirty.

Cat Grant gets what she wants: a piping hot latte or an interview with Supergirl. See them in Supergirl.

A childlike space cadet, Brittany Pierce has a surprisingly open-minded spirit. See them in Glee.