Winry Rockbell

Winry Rockbell: Winry is a mechanical expert who is a childhood friend of the Elrics. She, along with her grandmother Pinako, built Edward's automail, and she also helps maintain the automail when it gets broken. Her parents served as impartial doctors during the Ishbal rebellion, but were killed. In the anime, they were killed by then-Lieutenant Colonel Roy Mustang, but in the manga they were killed by Scar.