ウェブKeiko Nanba (難波 啓子, Nanba Keiko, born 2 September 1952 in Niigata, Japan), better known by the stage name Keiko Yokozawa (横沢 啓子, Yokozawa Keiko), is a Japanese voice actress. She is most known for the roles of Dorami ( Doraemon ), Mami Sakura ( Esper Mami ), Benio Hanamura ( Haikara-san ga Tōru ), and Sheeta ( Castle in the …