Mayumi Tanaka (田中 真弓 Tanaka Mayumi, born Age (阿部), born January 15, 1955 in Tokyo, Japan) is a Japanese actress, voice actress and narrator. She is best known for voicing Monkey D. Luffy in One Piece, Krillin in the Dragon Ball franchise, Koenma in Yu Yu Hakusho and Kanna Kirishima in the Sakura Wars series.