Because you like Leroy Jethro Gibbs in NCIS

Wanderer is a Soul, a parasite sent into a host to take over their body, extracting information from them and colonizing their species. See them in The Host.

Firo Prochainezo is swept up in a world of mysterious women, alchemists, and rumors of a wine that makes it drinkers immortal. See them in Baccano!.

Kyle Broflovski is an motional fourth-grader who plays Guitar Hero, speaks Pig Latin, and fights with his "Fat Ass" friend Cartman. See them in South Park.

Marv is a brutish but principled thug who'd be right at home on an ancient battlefield. See them in Sin City.

They say they saved Adam Jensen by turning him into a cyborg, but he's not sure saved is the right word. See them in Deus Ex Series.

This wizard is never late, nor is he early. Gandalf arrives precisely when he means to. See them in The Lord of the Rings.

Marty McFly is a skateboarder, aspiring rock star, and reluctant time-traveler. See them in Back to the Future.

It's easy for Brian O'Conner to fake his way into the world of extreme racing because he's been popping cars since his teenage years. See them in The Fast and the Furious.

If Jack Torrance is one of his moods, you'll be the unlucky victim of the most bone-chilling, sinister yellers around. Bring your own axe. See them in The Shining.

Although Thomas Sharpe is an English baronet, he doesn't have a Shilling to his name. He's in America to sell his invention and marry rich. See them in Crimson Peak.

Joel is a hardened, jaded survivor who keeps finding things to fight for. See them in The Last of Us.

Knuckles the Echidna is a 16-year-old red echidna (aka a spiny anteater) and guardian of the ancient Master Emerald. See them in Sonic the Hedgehog.