Because you like Leroy Jethro Gibbs in NCIS

Rupert Giles is a librarian on the outside, fearless evil-fighter on the inside. See them in Buffy the Vampire Slayer.

Jane Smith is a stone-cold killer, but you would never know it from looking at her. See them in Mr. & Mrs. Smith.

Tail's smarts and helpful nature come in handy in a pinch. See them in Sonic the Hedgehog.

Leone Montana is a fearless hitman with a surprisingly sensitive side. See them in Leon: The Professional.

Izzie Stevens is a model-turned-med student who can do it all, even if people underestimate her. See them in Grey's Anatomy.

Rogue's touch is literally deadly, and she's trying to learn from the older mutants how to manager her powers. See them in X-Men Series.

Milo Thatch is an enthusiastic researcher without cynicism. See them in Atlantis: The Lost Empire.

Gruff and sarcastic, Detective Harry Dresden use unconventional ways to track down perps, including using magic and the supernatural. See them in The Dresden Files.

This bite-sized, power-hungry plankton is determined to uncover the secret recipe for the Krusty Krab burger. See them in SpongeBob SquarePants.

Dewey Finn will rock you. He feels rock and roll in his blood and guts. See them in School of Rock.

Donna Carmichael is a free-spirited single mom and gracefully aging hippie. See them in Mamma Mia!.

Sophie Sheridan is a proud and independent woman who hardly ever looks before she leaps. See them in Mamma Mia!.