The stereotypical computer nerd, Yaegashi does computer analogy for the TAC. On off days, he enjoys hentai games on his computer. He also has a program that pinpoints the Aragami's weak points and attacks, but it doubles as a program to predict what animal would appear on Momiji's panties. He has a love/hate relationship with Kome through most of the series.
Orphaned at the age of ten because her parents were killed by the Blue, Marlene was one of the few lucky ones to make it to Second Earth. Since then Marlene has dedicated and trained herself to defeat the Blue, taking all kind of vicious training during her early days making her lack of many female atitudes. She doesn't understand the difference between a woman and a man, making it difficult for Yuji to deal with her. Though seeming very cold in the earlier episodes, as time progresses, Yuji opens up Marlene's emotions.
A high-ranking member of the science division on Second Earth. He suggests that Marlene and Yuji are kept together in order to get the best results from Yuji in the sleeper program. Not agreeing with the High Council's leadership of Second Earth or it's reckless use of the sleepers, he eventually forms a group called The Arc.
Mima started her career in the pop idol band CHAM which she quit to embrace a career as a drama actress. Mima-rin is the nickname she is often called by her fans.
The main villain of the Blue Dragon game and a major villain in the first anime. Nene is an old man whose from a race of humanoids called Ancients. Nene runs Gran Kingdom and flies across the globe causing destruction and despair in a mobile air fortress surrounded by purple clouds. His main goal is world domination. Nene can fight without his shadow and suspend himself into the air, avoid energy blasts, and absorb others' shadow powers to increase his strength tenfold.[6] His mastery over his magic was so great that it caused an illness that led to him rapidly aging. To deal with this problem, he manipulated events that Shu, Jiro, Kluke, and Marumaro would each take a light sphere and learning to use magic so he could eventuall take their power and develop a stronger soul to cure his illness. He eventually succeeds in this plan, but they manage to retain their power. When eventually faced at the end of the game, he offers them a chance to join, specifically offering Shu a chance to be his successor. When Shu turns his offer down, Nene attempts to take their power again, but finds that their power had matured and become their own, so he couldn't take it. He is fought and defeated, and after which is killed by Zola. In "Blue Dragon Plus," he is reborn and eventually helps Shu and the others to find the Balaur. In the anime, Nene has been capturing children to power his artificial shadow machine. He overwhelmed Shu and Co. at first until Kluke manifested her Phoenix shadow and got them out of there. It is later revealed that he is a descendant of one of the Soldiers of Light. By the next encounter, Nene merged with his shadow and Deathroy and was destroyed by Shu and Blue Dragon. Nene is the owner of the Chimera shadow which resembles a red dragon-like creature with orange hair and bird-like wings. In the video game, Nene's shadow was originally a red version of Blue Dragon. But after absorbing the light spheres that Shu and his friends swallowed, the dragon becomes Chimera (adopting features from all of the other shadows). In the anime, it was Deathroy who owns Chimera and Nene manipulates it.
Main character in the manga Kiss Blue. He's best friend with Noda, who he later realizes he has feelings for. Tomosaka is a waiter at a cafe, and he's got a boss who enjoys harrassing him. He's a student in college.
30 year old Randy acts as Jessie's caretake, although it appears she takes care of him more by cooking, he often gives her advice. He is a priest who was a high ranking guard and Eagle's superior. Despite being a priest Randy breaks the rule of not smoking or drinking. Randy also has some doctoral training.