Gensui Radou or Gen is a pharmacist and the architecture of Infinity Fortress and it's tower Babylon City. He's the one who found and raised MakubeX.
Anime[]
Gen is just an old man running a small pharmacy in the Infinity Fortress with his granddaughter. He found and raised MakubeX and taught him mathematics and computers. He is the architecture of Infinity Fortress and its tower, Babylon City. Gen was dealing with his guilt for helping create such a monster by assisting those (such as Kazuki and the GetBackers) who wish to unlock Infinity Fortress' secrets and open it up to the world.
Manga[]
Soon...