Osamu Tsuruyama is the design director for the Oh My Goddess! series. Tsuruyama is staffed in: * Akai Hayate (TV): director * Anime V Comic Rentaman (OVA): director * Ariel (OVA): character design, animation director * Ariel Deluxe (OVA): character design, animation director * Barefoot Gen: key animation * Dangaioh: key animation