boxer who was taught of the Ultra Kick attack by Go in order to win a boxing competition against Tadashi Sawamura. He is portrayed by . : Captain Ibuki's daughter. He is portrayed by . : A young boy who's adopted by Sakuta Nohara after his biological father died in a mining accident back when he was a newborn. Sakuta took care of the boy to honor his late friend, but their relationship became strained after Tarō learned the real fate of his late father. After Kingmaimai's death, the two reconciled and finally making peace with Taro's late father. He is portrayed by . : An orphan accused by the townspeople as an alien due to his constant attempts at digging the Alien Mates' spaceship. A year prior, he was discovered and taken care by the ill Alien Mates, with Sakuma likewise saw him as a father figure. When Sakuma was about to be executed by the anti-alien sentiment group, the Alien Mates took the bullet for him. Following Muruchi's death, Sakuma continuously dig underground to claim the hidden spaceship, wanting to leave Earth while still under the impression that Mates had return to his home planet. In Ultraman Mebius, Sakuma was revealed to have died at some point of time. His story and exploits were recounted by a nursery school director, allowing Mates' son Bio to bury his grudges and calling off his attempt in revenge. Sakuma was portrayed by in Return and by child actors and in Mebius. He was named after a common surname of the Ainu people living in Hokkaidō. In Anderes Horizont, the alternate retelling novel of Mebius, Sakuma was revealed to have been taken care by an orphanage after that incident but he constantly fled to dig up Mates' spaceship until the boy actually disappeared at some point of time. Sakuma was implied to have been aged as an unnamed old man and encountered the son of a kind baker he met as a child. : Go's childhood friend and the current owner of his late father's laboratory. In order to create the ultimate life form, Mizuno combined the DNA of a plant and animal to create Leogon. While assisting MAT in defeating his gigantic creation, Mizuno was killed during an attempt to reach out for his creation. He is portrayed by . : A college student who lived with her mother in an