Zankou

In the seventh season of the television series Charmed, Zankou is a powerful upper-level demon important directly and in the backplot behind the writing of many episodes, beginning with "Witchness Protection" and ending in the season's finale episode: "Something Wicca This Way Goes". He is portrayed by actor Oded Fehr and portrayed as more powerful than any of the single Charmed Ones requiring their united "Power of Three" to oppose him successfully.