Z as a leading figure in Space Shocker. In the reboot, Nobuhiko is portrayed by . Black characters Kyoko Akizuki is Nobuhiko's younger sister, targeted a number of times by the High Priests as her life force could awaken Shadow Moon. At first she was not aware of Kotaro being Black himself until his fight to save her from the clutches of Bilgenia. Once Nobuhiko emerges as Shadow Moon, she and Katsumi are terrified of his new appearance as she eagerly refuses his offer to join him in making a new world without violence. After the defeat of Black at the hands of Shadow Moon, she and Katsumi left Japan to start a new life abroad. However, when Katsumi heard the news about Black's revival, Kyoko attempts to return to Japan to see Kotaro again. Kyoko Akizuki is portrayed by . Katsumi Kida is Nobuhiko's girlfriend, like Kyoko she is not aware of Kotaro being Black himself until Kyoko tells her the truth about Kotaro. Once Nobuhiko emerges as Shadow Moon, she was also terrified of his new appearance. After the defeat of Black at the hands of Shadow Moon, she and Kyoko left Japan to start a new life abroad. Katsumi Kida is portrayed by . Soichiro Akizuki is an archaeologist and friend of Kotaro's father. Soichiro joined Gorgom to financially support his archaeological projects. He is the father of Nobuhiko and Kyoko and became the foster father of Kotaro when his parents were killed by Gorgom through an accident. He was assassinated by Gorgom for disobeying their orders, for he realized that they were an organization of evil. Soichiro Akizuki is portrayed by Kantaro Suga. Masaru Todo is Kotaro's senior at the university who owns the Capitola bar shop where Kyoko and Katsumi work part-time. Masaru Todo is portrayed by . Ryusuke Taki is a Special Agent from America who helped Kotaro in bad situations. He had been Nobuhiko's senior in soccer and taught him a technique called the Dragon Shot. Kotaro would learn this technique later on as well and use it as Black. He is aware of Kotaro's identity as Black. guest stars as Ryusuke Taki in episodes 16 & 30. Kujira Mutant is a blue whale Mutant able to emit sticky foam from his blowhole and use a sonic attack. Unlike the others members of Gorgom, the Kujira Mutant was concerned for the oceans after