Goro Kisaragi

Goro Kisaragi (如月 吾郎) is Gentaro's grandfather who looks after Gentaro since his parents died in an accident several years ago. He owns a local motorcycle shop called Kisaragi Motorcycle Engineering (如月モータース).

Portrayal
Goro Kisaragi is portrayed by Nobuo Yana (八名 信夫). Yana is known for his portrayal of the Black Cross Führer in the second half of Himitsu Sentai Gorenger.