The cue comes from Luigi's Mansion, the Nintendo GameCube launch title in which Luigi explores a haunted mansion capturing ghosts, and golden mice are among its rarest, fastest inhabitants. When one scurries into view, this sparkling jingle alerts the player to chase it before it escapes. As gameplay clips and soundboard collections spread online, the short sound became shorthand for a sudden rare find outside its original game, and creators still reuse it because its bright, urgent tone instantly tells an audience that something valuable has just appeared.