Yunan is one of the four Magi in the current era. It is revealed that he is the one who raised the first dungeon, Baal, 14 years before the start of the story. His name is based from the King Yunan, a fictional king of one of the ancient Persian cities, in the province of Zuman, now modern Azerbaijan who appears in The "tale of the vizier and the Sage Duban", one of the "One Thousand and One Nights" stories. (Source: Wikipedia)