Danny Behemoth is a genius mech designer who works for the Histon Empire. Although he does not appear in the story, he is mentioned by Emperor William VI as the developer of the new Black Knight Mech, codenamed Zoltan Cain. This mech will be mass-produced for the upcoming war. He represents the technological advancement of the empire. He is likely a celebrated inventor whose contributions to warfare are crucial. His creation is part of the emperor's ambition to win the war against Yesenia.