Misa Watanabe (渡辺 美佐, Watanabe Misa, born April 30, 1964 in Tokyo) is a Japanese voice actress (seiyuu) and narrator. She is currently affiliated with Aoni Production. She is well known for voicing Nefertari Vivi in One Piece. Mori Hirori (森ヒロリ) is an alias used by Watanabe Misa.