Kenzō Masaoka(政岡 憲三Masaoka Kenzō, October 5, 1898 - November 23, 1988) was an early anime creator. He is probably most famous for creating the earliest anime to use cell animation and recorded sound. He also did work under the pseudonym Donbei Masaoka(正岡 どんべいMasaoka Donbei). Famous animators who worked under him include Mitsuyo Seo and Yasuji Mori. Masaoka was born in Osaka, Japan and died in Tokyo, Japan.