Gemma Teller Morrow (Katey Sagal), Sons of Anarchy

Gemma Teller Morrow (Katey Sagal), Sons of Anarchy, Love her style!

Xena (Lucy Lawless), Xena: Warrior Princess

Xena (Lucy Lawless), Xena: Warrior Princess

Ana Lucia (Michelle Rodriguez), Lost

Ana Lucia (Michelle Rodriguez), Lost - Of course a tail section survivor would become one of the most badass characters on Lost — they were hunted down by the Others from the get-go.

Tracy Strauss (Ali Larter), Heroes

Tracy Strauss (Ali Larter), Heroes - Of the four characters Larter played on the NBC superhero series, Tracy Strauss was the most genuinely dangerous.

Sarah Walker (Yvonne Strahovski), Chuck

Chuck -Yvonne Stahovski as Sarah Walker

Buffy Summers (Sarah Michelle Gellar), Buffy the Vampire Slayer

Buffy Summers (Sarah Michelle Gellar), "Buffy the Vampire Slayer"

Sara Sidle (Jorja Fox) #CSI

Jorja Fox in CSI: Crime Scene Investigation

Sydney Bristow (Jennifer Garner), Alias

Alias - Jennifer Garner as CIA agent "Sydney Bristow"

Kara "Starbuck" Thrace (Katee Sackhoff), Battlestar Galactica

Katee Sackhoff in Battlestar Galactica

Becca Winstone (Ashley Judd), Missing

On ABC's Missing, Ashley Judd plays a former CIA agent who is forced back into her butt-kicking ways when her son is mysteriously kidnapped. With the show about to premiere, a look back at some of TV's other fierce females.

River Tam (Summer Glau), Firefly and Serenity

A whedonesque production. Submit your stuff!

Nikita (Maggie Q), Nikita

Maggie Q and Lyndsy Fonseca in Nikita

Max (Jessica Alba), Dark Angel

Max (Jessica Alba), Dark Angel - As repeated so many times throughout the…

Amanda Clarke/Emily Thorne (Emily VanCamp), Revenge

Emily VanCamp in Revenge (Pilot)