Tamamo No Mae

Tamamo no Mae is one of the most infamous antagonists of the Japanese folklore and is classified as one of the Nihon San Dai Aku Yokai or better known as the three evil Yokais that plague the Japan along with Shutendoji and Emperor Sutoku. She is an evil nine tailed fox spirit who causes chaos and mayhem across the world by disguising herself as a concubine of several certain kings and also responsible for triggering the civil war that happened in Japan. Her story is also appeared in several other forms of media and inspired several villains such as Da Ji from the epic Chinese literature known as Fengshen Yanyi and to this day, Tamamo remains as one of the most iconic characters from the Japanese folklore.

Personality
Despite her beautiful appearance and her intelligence that made the people getting enamored by her, Tamamo is revealed to be a wicked being who loves to revel suffering in others. This was shown during her days as a concubine for several emperors across the world including King Zhou and King You from China and King Kalmashapada from India as she manipulate several king committing depraved acts and also do this on her own volition for daily basis.