First high ranking officer of Destron confronted by Kamen Rider V3. Doktor G looks human but in fact he was a cyborg (kaizo ningen), no ordinary human could have stood up to V3. Doktor G was armed with axe, sword and dagger. He also carried a shield, which he used to block V3's attacks. In his finale battle with V3 he transformed into Kani-Lazer (Laser Crab).
From Kamen Rider V3 episodes 13-30 and the movie
"Kamen Riiiiiidaa Buisuri!"