Mummy-D is a Japanese voice actor who is also known as a rapper and member of the hip-hop group Rhymester. He began voice acting in the early 2000s. In the anime series Sekigahara Gassen: Kiro ni Tatta Tarui no Bushō-tachi, he voiced the character Yoshitsugu Ōtani. He voiced Jinno in the anime Afro Samurai. He also voiced characters in segments of The Animatrix, including The Second Renaissance and Kid's Story. His voice acting work often involves collaborations with Studio 4°C, which produced Afro Samurai and The Animatrix. He worked with director Fuminori Kizaki on Afro Samurai. His contributions to anime voice acting are part of his broader artistic career.