Witch cackles have been a staple of Halloween sound design for decades, borrowed from cartoons, stage plays and spooky attractions rather than one single film or recording. Online, the short, instantly recognisable laugh is reused in memes, reaction videos and seasonal edits because listeners understand the joke without explanation. Its popularity peaks each October, when creators need a quick audio cue for witches, spells and haunted themes, and it remains useful year-round for pranks, villain reveals and playful horror.