As for the Pumpkin King, well, it's Jack Skellington himself in disguise, using a jack-o'-lantern to cover his skull. While Halloween may not occur every day, you can use the characters in LEGO ...

Thanks to Billy for blessing me. Thanks to the Smashing Pumpkins. Thanks to mushrooms. And thanks to me.” Hear “Psilocybin & Daisies” below.