
Quick answer — Mayumi Tanaka voices Luffy Monkey in ONE PIECE, Kuririn in Dragon Ball Z, Pazu in Castle in the Sky and 17 more characters.
Mayumi Tanaka voices Luffy Monkey (ONE PIECE), Kuririn (Dragon Ball Z), Pazu (Castle in the Sky), Giovanni (Night on the Galactic Railroad), Kanna Kirishima (Sakura Wars), Koenma (Yu Yu Hakusho: Ghostfiles), Mayumi Nanba (Space Brothers), Turbo Babaa (DAN DA DAN) and 12 more.
Luffy Monkey is voiced in Japanese by Mayumi Tanaka.