Cleaning Minister Kireizky (掃治大臣キレイズキー Sōji Daijin Kireizukī, 42-44) is one of the Gaiark's ministers, who "cleans" the slate off Braneworlds he visited, destroying the Sound World, the Magic World, and the Prism World before coming to the Human World where he intervened during Engine-Oh G9's fight with Bin Banki.