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The son of a corrupt Navy captain, Helmeppo (ヘルメッポ Herumeppo?) is introduced as a coward, hiding behind his father's wealth and power. Losing his luxurious life, due to his father's arrest, he reluctantly joins the navy, where he and Koby become protégés of Garp. He is voiced by Kōichi Nagano in the Japanese version. In the English versions of the series, he is voiced by Sean Schemmel in the 4Kids dub,[3] and by Troy Baker and Mike McFarland in the Funimation dub.