Here's a version of king boo puff with half the transparency of the original and with the mouth, hopefully this is what you were thinking of? (not posting this on the thread since it's so specific lol)
https://www.mediafire.com/file/k2hc1n2irqs8f1c/kinda+transparent+king+boo+jiggs.zip/file
https://www.mediafire.com/file/k2hc1n2irqs8f1c/kinda+transparent+king+boo+jiggs.zip/file