The phrase draws on the long-standing cultural image of the Four Horsemen as a fearsome quartet, a reference that has been reused in countless stories, games and memes. As a short sound, it circulates online as a dramatic group introduction rather than a clip tied to one verified scene, which is why creators can attach it to almost any foursome. Its staying power comes from that flexibility: the line is instantly understood, easy to drop over an entrance or reveal, and just dramatic enough to make an ordinary group moment feel epic.