GOLD WOLF
From Jinzo Ningen Kikaida episodes 11, 14, 25
Made by Doctor Komyoji, thus Kikaida's younger brother. During the day Gold Wolf appeared human (more or less) and was kind and gentle, but during a full moon he transformed into a heartless monster. Kikaida cried after he was forced to destroy Gold Wolf.
For more information see Jinzo Ningen Kikaida - Gold Wolf
