King of Mons (キングオブモンス, Kingu obu Monsu King of Mons?) is a kaiju created by a boy's greedy desire for the strongest kaiju. King of Mons serves as the main antagonist of the film, The Decisive Battle in Hyperspace. Subtitle: Strongest Coalescence-beast (最強合体獣, Saikyō Gattaijū Strongest Coalescence-beast?)