The role of the action hero isn't just limited to guys. These iconic women are some of the toughest characters around -- like Dejah Thoris, the princess at the center of the upcoming movie "John Carter," coming to theaters in March 2012.
Dejah is a beautiful, powerful princess from "John Carter" -- played by Lynn Collins -- who can hold her own among the fiercest warriors of her home planet.
2. Princess Leia
As a fighter and a political leader, Leia shows no fear. From the opening scenes of "Star Wars: Episode IV" to the closing celebrations on Endor, she proves herself to be sagacious and staunch in the defense of her beliefs.
3. Wonder Woman
Wonder Woman: As a powerful Princess of the Amazons, her goal in life is to use her abilities to bring the feminine ideals of peace, love and harmony to a world gone wrong. If she has to kick butt along the way, so be it.
Selina Kyle, Batman's sometimes nemesis and possible love interest, is one of the top comic book villains of all time.
5. Black Widow
Black Widow, aka Natasha Romanoff, is a Russian-trained weapons specialist and martial arts expert. She defected to the U.S. to become a member of the Avengers, where she deploys her fighting skills with dependable precision.
6. Jean Grey/Phoenix/Dark Phoenix
With her psychic powers, Jean Grey is an original member of the X-Men team. After her transformation to Phoenix, she becomes one of the most powerful mutants in the X-Men universe, though her powers eventually become too much for her to safely handle.
7. Buffy The Vampire Slayer
As the Slayer, Buffy is an unstoppable vampire-killer who is also trying to live the life of a (somewhat) normal high school girl.
Barbarella is the embodiment of 1960s-era female liberation. In comic books and film, she heroically saves the world, all while staying sexy.
One of the daughters of Rohan, she distinguishes herself in "The Return Of The King" with her fierceness during the Battle of the Pelennor Fields, finally killing the Witch King Angmar, Lord of the Nazgûl.
10. Captain Janeway
Kathryn Janeway, captain of the Starfleet starship USS Voyager, is the only female captain so far in the "Star Trek" universe.