Because you like Leroy Jethro Gibbs in NCIS

Madman, murderer, or musician? No one knows the Phantom behind the mask. See them in The Phantom of the Opera.

A legendary warrior with a complicated relationship to the truth, Jaime Lannister is revered and reviled in equal measure See them in Game of Thrones.

Maurice Moss is a dedicated IT guy who even talks like a computer. See them in The IT Crowd.

Jenny Flint is a devoted wife and daring crime fighter, which is pretty unconventional for a Victorian maid. See them in Doctor Who.

Cinderella will sacrifice herself to keep her family's memory alive. See them in Cinderella (Live Action).

Erlich Bachman is an overconfident wannabe mentor blowing all types of smoke around the tech industry. See them in Silicon Valley.

This power-hungry Time Lord calls himself the "master of all." Bonus: he has 13 lives. See them in Doctor Who.

Quicksilver is a cocky speedster who could run around the world in the time it's taking you to read this. See them in Marvel Cinematic Universe.

Told her son will one day save the world, Sarah Connor dedicates her life to training him to do just that. See them in The Terminator.

A suave demon, Crowley grants humans their wishes in exchange for their soul, only to find loopholes that benefit him. See them in Supernatural.