Creepy laughs have long been a staple of horror sound design, from haunted house attractions and spooky radio plays to modern short-form video, where a single unsettling cackle can set the tone in seconds. On soundboards, this type of clip is shared as a quick reaction sound rather than a quote from a specific film or show, which is why it travels so easily between Halloween edits, prank videos and gaming streams. Its appeal is practical: it is short, instantly recognisable as menacing, and works without context, so creators keep reaching for it every spooky season.