Thank you for your always prompt response. I knew it couldn’t be ■■■■■ bc it sounded too modern for that era. 
lmao
I remember that name once you mentioned it; MA Wang name they used it a lot in the drama HWAYUGI to depict/address the ‘‘Devil guy’’ (the owner of that company with the LUCIFER name which bothered me so much) but that drama was so awesome I couldn’t stop watching.
PS> I would love if someone familiar with the demon/devil name in Japanese can help me out here since the documentary that I loved so much with that story was removed from viki.com.