The Great Demon King War-Gold (悪魔大王 ワルゴールド, Akuma Daiou Warugōrudo) is a fantastical creation of Tsugiha Yojirou, created as an antagonist to Yojirou's magical girl persona, Tsugihagista SS Ruby-Sapphire the Fifth (also known as Magical Wonder Tsugiha from the Neighborhood).