Oliver Schtrom

Oliveira von Schtradius (オリベイラ フォン ストラディウス, Oribeira fon Sutoradiusu), more commonly known as Oliver Schtrom (オリバー シュトローム, Oribā Shutorōmu) is the quintessential villain of the series. He caused the increase of demons and devils in the kingdoms by using common people.