Because you like Mal Reynolds in Firefly
Sydney Bristow is a kick-ass double agent on a mission for revenge. See them in Alias.
Davos Seaworth is steadfast, intelligent, and trustworthy, which are hard traits to find in a place like Westeros. See them in Game of Thrones.
Chuck Bartowski is a sweet, laid-back electronics store/top secret government employee. See them in Chuck.
Khan Noonien Singh is super strong, super smart, and out for revenge. He always seems to be two steps ahead of his enemies. See them in Star Trek Into Darkness.
Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.
A gifted detective, Rust Cohle is as dark and twisty as any murderer he chases. See them in True Detective Season 1.
King Schultz is about as color-blind as a man of his era can be. See them in Django Unchained.
Kara "Starbuck" Thrace will beat you in cards, drink you under the table, then fly circles around you in her fighter plane. See them in Battlestar Galactica.
A powerful priestess, Melisandre is shrouded in mystery and lots of red. See them in Game of Thrones.
Don't tell anyone Kate Austen was under arrest when the plane crashed. See them in Lost.
Leonard "Bones" McCoy is passionate, moral, and ready to stitch you back together. See them in Star Trek.