Because you like Vin in Mistborn:The Final Empire

Light Yagami has a plan to make a better world, and morals won't stop him. See them in Death Note.

Daenerys Targaryen will take what is hers with fire and blood. Thankfully, she has some dragons by her side. See them in Game of Thrones.

He's an eccentric pirate making it up as he goes along. He's Jack Sparrow, savvy? See them in Pirates of the Caribbean: the Curse of the Black Pearl.

A bookish know-it-all with a bossy streak, Hermione Granger always stands up for what she believes in. See them in Harry Potter Series.