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.

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.

River Tam (Summer Glau), Firefly and Serenity

River Tam Summer Glau FireFly and Serenity "I can kill you with my brain"

Max (Jessica Alba), Dark Angel

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

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