Roy Mustang is a fictional character from the Fullmetal Alchemist anime and manga series authored by Hiromu Arakawa. In the series, Mustang is a State Alchemist of Amestris' State Military as well as the superior of the series' protagonist, Edward Elric. Roy holds the title of the "Flame Alchemist", and he ambitiously strives to become the next leader of Amestris. Despite his ambition, as the series continues Mustang decides to overthrow the State Military after his best friend, Maes Hughes, is killed by the homunculi, who are controlling the Military. Therefore, he joins forces with Edward, Edward's brother Alphonse, and his most trusted comrades to defeat the Military.