they may not be directly related, in terms of cause or effect in linear time, but the modern halloween aesthetic is very close to the aesthetic of ICP. traditional spooky fare, some death based oddities, some paranormal entities, some classic spiritual tropes, and horror movies.
https://hell.twtr.plus/media/7b0ab543401288d97811f2e8963ba1f1a91d194f90733e234b0a293cbb2bf5bd.file