Daimobic Base
The pilot of Daimos and the hero of the series, he was raised by Izumi after his father's departure to space. After meeting and falling in love with Erika, he fights for the day when the war will end and they will be reunited, with his strong will of survival motivating him to be victorious. He is a karate black belt and champion which helps battling the monsters. When he was 14 years old, he suffered a terrible accident, but managed to finish his rehabilitation successfully. He was very shy to start the mission in Episode 1.
Kazuya's friend with a dark brown Afro style hair, and the main pilot of the jet fighter Galva FX-II. Apart from being an ace fighter pilot, he is also a skilled swordsman who takes the war with the Baams very seriously.
The granddaughter of Shinichirou Izumi, an excellent marks woman and sometimes co-pilot of Galva FX-II. She has a crush on Kazuya, and initially resents Erika. She leaves the group for some time after committing a big mistake that almost costs her her life, and returns with a more serious attitude.
The current leader and operator of the Daimobic. After the death of Doctor Ryuuzaki, he takes over the operations of the base and taught Kazuya in the art of Karate.
The ever-cheerful support robot at Daimobic, Kairo is useful assistant to Doctor Izumi, but sometimes bumbling, wise-cracking and always harassed by Nana's nanny Okane.
The Daimobic's caretaker and also the personal caretaker of Nana.
Okane's annoying nephew.
- Shin'ichirō Izumi (和泉 振一郎)
Earth Military
A scientist from Utopia, he arrived at the Baam Greenpeace Force Base to examine the secret formula of the ring. Later, he gave this secret formula to Dr. Izumi to upgrade the Daimos-Light energy along with more weapon upgrades for Daimos.
The general of Earth's military, Miwa is a bigot who wants nothing more than to see all of the aliens destroyed. In episode 38, he wants to take control of the Daimobic and Daimos itself, but in the end he gained nothing. In episode 40, he was knocked unconscious by Kazuya after the Daimobic relaunches from the Baam underwater base, and as his misdeeds were discovered, he was to be arrested.
Kazuya's father and founder of the Daimobic labs, who designed Daimos. He told Kazuya what to do before Kazuya's first mission. He was killed during the breakdown of the negotiations between the Baam People and the Earthlings.
- Douglas Banks (ダグラス バンクス)
Baam Empire
A compassionate leader of the Baam Empire and father of both of Richter and Erika. He was assassinated by poisoning during the council meeting with the Earth forces.
Emperor Leon's personal adviser. He usurped the throne by killing Emperor Leon since the rightful heir has not reached the age of maturity. As their leader, he was selfish and eventually intended to turn everyone into zombies so nobody will rebel against him. In the end, he was killed by Richter in mortal combat but before he died, he revealed that he has a remote-controlled implant in his heart that in case he was killed, it would automatically control the whole Baam Asteroid City to move towards Jupiter, but this was thwarted by Kazuya and Richter.
Olban's right-hand man. He poisoned Emperor Leon and killed Kazuya's father which caused the Baams and Earthlings to go to war. He was killed by Richter in episode 42.
A disgruntled admiral and prince who has hatred for all Earthlings because of his father's death. He has obsession to conquer the Earth and make it the new home for the Baam race until he found out that Georiya was the one who assassinated Emperor Leon and becomes determined to kill Olban and regain the throne of Baam. However, he ends up being mortally wounded by a wave of Baam genocide squad machine guns. Just before he dies, he manages to prevent the Baam Asteroid City from crashing into Jupiter and tells Kazuya to look after Erika for him. Although not an evil person, he is often blinded by his desire for vengeance.
The Baam princess, sister of Richter and the true love of Kazuya. Once a royal princess, while accompanying her father Leon and brother Richter to a council meeting with the earth forces, she witnessed her father's death, and, in attempting to calm Richter, accidentally caused Doctor Ryuzaki's death. Thus, to atone for the death of her father, she is working as a field doctor while Richter became the admiral for the Baam forces against Earth. In a space accident, she fell out of a burning spaceship and fell to the sea, losing her memory (temporary