Father

Father (お父様, Otō-sama) is the central antagonist of themanga and 2009 anime series. He is the oldest and most powerful Homunculus identical in appearance to Van Hohenheim. He is also the creator and leader of the Homunculi. He is also known as (Tom Crawford).

History
Father was an inventor by the name of Tom Crawford who was the son of a divine being who was rejected because of his power in dark magic.