Because you like Inigo Montoya in The Princess Bride
Red doesn't like to explain herself. She wants her work to do the talking. See them in Transistor.
Hans Landa doesn't seem to have issues with Jews, but he hunts them because he's determined to do his job well. See them in Inglourious Basterds.
Charming and enigmatic, Amy Dunne takes her love for puzzles to a cunning new level. See them in Gone Girl.
Konata Izumi has a live-now, worry-later view of the world. See them in Lucky Star.
Nemo is a small fish in a vast ocean, but he dreams of seeing it all. See them in Finding Nemo.
Tobias "Four" Eaton is only afraid of four things, but you should probably be afraid of him. See them in Divergent.
A vain and arrogant womanizer, Roy Mustang has hidden depths. See them in Fullmetal Alchemist.
Known as the "rat king" of Paddy's Pub, bartender Charlie Kelly spends most of his time drinking at his bar instead of serving drinks to customers. See them in It's Always Sunny in Philadelphia .
Don't mess with Mickey Milkovich unless you want to see the wrong side of one of his many guns. See them in Shameless.
Charming and confident, Gus Waters is determined to leave a lasting mark on the world. See them in The Fault in Our Stars.