The Nightmare Jester

The Nightmare Jester is assentually the larva form of The Nightmare King, stating the Nightmare King was like every other slumberlandian until he becomes obcessed with causing nightmares, drasticly altering her form, turning him monsterious, more and more monsterious with every nightmare he caused until he became what he was in the movie.... But, it also proves that nightmare never truely dies, only becomes reincarnated into a different being. However, it comes at the price that he loses his memories and becomes ammnesic, so don't expect him crawling back to the Villain Leage what what the Nightmare King did.