Barry the Chopper

Barry the Chopper, a supporting character from "Fullmetal Alchemist," is depicted as a butcher who disguises himself as a woman to abduct females. In the manga, he is a wanted serial killer and later becomes an experiment in the fifth laboratory. He falls in love with Riza while she is grocery shopping, leading to his capture by the military. He is known for his chilling quote: "I kill, therefore I am."