Keiichi Sato ??? ???? Sat? Keiichi is a mecha and character designer born in the Kagawa Prefecture of Japan in 1965 In 1996 Sato met with Kazuyoshi Katayama to begin work on The Big O Until then Satos work consisted mainly of designing characters and supervising animation for anime series The Big O is the first based on a concept of his creation and he considers it his magnum opus Satos style is influenced by his love of all things nostalgic From Wikipedia the free encyclopedia