The Dukes and Princes of Mongo, have domain over the various lands of the amalgam planet of Nibiru.
The Forest Kingdom of Arboria is ruled by Prince Barin. The Ice Kingdom of Frigia is ruled by Queen Frigia, of the Giants The Jungle Kingdom of Tropica is ruled by Queen Desira The Undersea Kingdom of Shar is ruled by King Kala The Flying City of the Hawkmen is ruled by Prince Vultan The Land of the Plains is ruled by Prince Thun of the Lion Men.
On pain of death, have all sworn fealty to the ruler of Nibiru.