Mummy-D, born Daisuke Sakama on April 14, 1970, in Yokohama, Japan, is a Japanese rapper and lyricist best known as a member of RHYMESTER. Since the 1990s, he has been a major figure in Japanese hip-hop, recognized for his calm delivery, precise wordplay, and a style rooted in classic rap traditions.
Through RHYMESTER, Mummy-D helped shape a catalog built on sharp MC work, groove-oriented beats, and careful lyric writing. The group became known for energetic live performances and for helping bring hip-hop culture to a broader audience in Japan. He has also worked beyond the group setting through solo appearances and collaborations, extending his presence across Japanese hip-hop while keeping a recognizable voice and perspective.
Mummy-D’s career reflects a long-term commitment to rap craftsmanship and to the scene that formed around it. For listeners exploring Japanese rap, he remains a key name because of his consistency, his role in RHYMESTER, and his influence on the development of mainstream-friendly yet authentic hip-hop in Japan. His work makes him a notable reference point for fans interested in the genre’s history and evolution.
