Mario.exe is a fan-made horror version of Nintendo's Mario that circulates in creepypasta videos, fan games and edited clips, where the familiar plumber is reimagined as a corrupted or menacing figure. Jumpscare sounds like this one became a shorthand for that twist, signalling to viewers that a cheerful game moment is about to turn frightening. Because the clip is only about two and a half seconds long, it is easy to drop into TikTok edits, YouTube horror compilations and gaming reaction videos, which has kept it in use long after the original creepypasta edits faded from feeds.