Another Dorssian agent. He is highly respectful of his boss Cain. His name means X1 in German. X-eins has proven to be a skilled tactician, able to find weaknesses in an enemy after only observing it in battle once developing countermeasures for future battles. His respect and loyalty for Cain was shattered when he found out who and what he is. After listening to H-neun's recording from his special earring, he also found out that it was Cain who killed H-nuen because he was getting close. Eventually, he died in Cain's hands after he failed to avenge H-neun's death.
Owner: Teppei, Karen B'T species: Kirin A male B'T manufactured by the Machine Empire in the form of the Chinese mythological animal, Kirin. He has a prideful tough-guy personality, and was programed to swear loyalty towards his original Donor, Karen the General of the West Wing of the Machine Empire. While taking Karen out of the country for exile, his function died out midway and he was taken back to the Empire to be disposed of. Five years later, he was awakened again from sensing Karen's blood reentering his body, only to find himself dumbfound to see that the person who gave him Karen's blood was a boy named Teppei. Legend says that when a Kirin descends from Heaven, the land shall be saved from evil. (Source: TVTropes)
The foreign spy agent aboard the Aegis vessel.
A robot built for war who wishes only to improve his skills at piano and serve his aged master with the greatest of loyalty.
Owner: Karen B'T species: Kirin A female B'T manufactured by Karen herself in the form of the Chinese mythological animal, the Kirin. Karen has been slowly putting her together during the five years of her stay in Kamui Island. At first, Shadow was incontrollable and often went berserk, flying out of hand and trying to head to wherever X was located. It wasn't until Teppei dragged her to Hokuto to be stabilized that she was able to create a personality of her own. (Source: TVTropes)
Animus twin sister. She is the creator of the beast knights and with their help tries to prevent Animus from destroying the Earth.