Jin's father (Ken Saotome) belonged to a unit that was killed in an accident one year before the start of Cyberbots. To honor his memory he seeks to become the best VA pilot alive and wants to prove his worth through the VA battle circuit. He begins to question his father's death after meeting Shade for the first time. Jin's mood goes from calm to rage within seconds but he remains a good guy. He is also friends with Gawaine Murdock. Jin has guest appearances in the Marvel vs Capcom series and Tech Romancer as a playable character.
Santana is a self centered loner who makes a living scrounging up parts for VA's and sometimes working as a mercenary. In the past he was the leader of the proud Mars Revolution. Santana knows Shade and Gawaine. He's likely just an old friend of Gawaine, but he fought Shade on Mars during the revolution. He's also a bit of a narcissist and a womanizer.
She is the only female Captain of the Earth Forces . When a prisoner escapes she is sent to retrieve him/her and bring them back immediately. While pursuing the prisoner she finds out more about the dealings of Earth Force and turns against them after meeting Arieta, Bao and Mao. She was trained by retired solider, Gawaine Murdock. Aside for a softside for children she is the prototypical soldier.
Gawaine was a captain of Earth Force who retired at age 63 after the deaths of his men in a training accident. He lives in seclusion from everyone while trying to live out his final days in peace and quiet. He returns after Earth Force begins making trouble. He was Mary's captain when she was still lieutenant, a close friend of the Saotome family and good friend to Shade in the past.
Earth Force is kidnapping children and using them for experiments. Arieta escapes after seeing her friends die in the labs. She doesn't know exactly what Earth Force is trying to do, her only concern is escaping the torture that she had to endure. She doesn't have any friends to turn to for help so she runs without knowing where to go. She's a naturally kind hearted person who seems to win over anyone she meets, except for Shade and Devilotte.
Bao and Mao
They are siblings that have been caught by Earth Force. They manage to escape and find a VA that's programmed for self defense. So even though they have no piloting experience, the VA still operates fine. Bao is very protective over his little sister. He doesn't know about he Earth Force's dealings and he doesn't care. He just wants to get away from everything safely with his sister.
Devilotte de Deathsatan IX
Age: Approximately 15
Devilotte is the daughter of a dangerous Pirate King and Queen Deathsatan, making her the princess of Heldorado and the Milky Way Express. She and her two lackeys fly around space looking for people with VA's so she can beat them up and steal parts from them. It doesn't look like she's involved with either side of the dispute in the Earth Force events, but is just a spoiled brat that's looking for something to do. Devilotte has a crush on Gawaine and is constantly blushing when he's around.
She pilots the Super-8, an octopus-like mech that was designed for underwater use. She is only playable as a pilot in the Sega Saturn version of the game.
Chiyomaru and Tessan
The leaders of the Earth Force Resistance, they are currently preparing for a counter attack against when Mary informs them about their super-weapon. Jin himself encounters the two resistance leaders, but leaves to face the super weapon on his own.
The pair pilot the mech Gaits. They are only playable in the Sega Saturn version of the game.
Earth Force began something similar to a 'super soldier' experiment. They needed someone who was strong and young. Shade ended up being their candidate. They promised that he would be the perfect soldier but they needed to see if they had complete control over him, so they made him kill everyone in his unit. Earth Force writes the incident off as an accident. Shade's now a cyborg and an attack dog for Earth Force. His memories are a little scrambled and he's trying to remember who he was. Jin's last name is the first thing that starts to jar his memory. In the end he dies saving Earth.
He pilots Helion, and is only playable in the Sega Saturn version of the game.
Super Weapon’s Brain G.O.D.
As the mind control of the Earth Force’s Super Weapon, the Ganglious of Omniscient Dirsuper (G.O.D. for short) is powered off the energy from children that have been captured by the Earth’s forces. Arieta manages to escape from the clutches of the Earth Forces and inform the others of the weapon and its power source. The Brain uses the Warlock VA and does battle with Jin before finally being destroyed when it burns up in the atmosphere. It is not playable in any version.
Age: mid-forties at death
Ken, Shade and Gawaine belonged to the same unit in Earth Force and the three were close. Ken is killed by Shade one year before the start of Cyberbots. Gawaine wasn't there when it happened and it was believed to be an accident. He looks like a taller, bulkier version of Jin, except he wears green instead of white.
Emperor Death Satan
Emperor Death Satan is the king of Heldorado and the Milky Way Express, and Devilotte's father. He owns a Warlock VA of his own, but more importantly is the owner of Zero Akuma. His face is hidden behind a huge suit of armor, and his voice booms audibly, implying that he may not be human.