Summary
Dr. Dēlon, from the mechanical development division. Half of his body is mechanized, and he carries a large gear on his back. He developed various power-up devices for the Root Clan using his modification technology.
He leads the Root Clan as one of the Three Scholars (who are siblings), plotting the resurrection of Yomi. In the story, although categorized under the Root Clan, he originally hails from the Ihika tribe of Nagekino-tani. His father is the chief of Nagekino-tani. He has lived a considerably long life, having existed during the great war a thousand years ago.