*He may look harmless - but the malevolent Mr. Z is as dire and deadly a foe as Superman ever came across! Armed with an arcane gemstone that leeches the minds of his victims, Mr. Z tussled with the Man of Steel several times! Currently afflicted with amnesia, he resides in peace on a hidden island - but if his memory ever returns, so too will his thirst for vengeance! *Source: Back of Card