Greybaum is a secret criminal organization in Custom Robo Arena. Their overall goal is to rule the world. They are seen (but not mentioned) early on in the game. They are referred to by Eddy repeatedly, but not revealed until the end. They secretly inserted their own men into NeoBrain to secretly create parts and their masterpiece robo--Hadron. "Project Hadron" was Greybaum's secret project to rule the world. They originally wanted the hero to dive into Hadron, but once they learned of Liv's power-transfer ability, they swiftly changed their plans as Scythe put it: "Once we learned of the girl's ability, we changed our plans to take your battle data to make Hadron autonomous, and use the girl to give him a continuous source of power rendering him invincible!" They finally revealed their pl