Extradimensional Supplier Kabuto (異次元調達屋カブト Ijigen Chōtatsuya Kabuto) is Guru's son who left his father a hundred years ago and has been traveling across the dimensions as a supplier of weapons and equipment. He returns to Earth to visit his mother's grave, bringing the Beet Ingram with him. Very childish and naive, Kabuto often tries to be a hero, only to put himself in danger. He returns at the end of the series to assist the other Metal Heroes in defeating Jagul.
- Josh Baldwin, his american counterpart from Big Bad Beetleborgs.