The alert comes from the Super Smash Bros. series, where a challenger approaching message announces an unlockable fighter waiting to battle after a match. Players first met the moment as a surprise reward for meeting hidden conditions, which made the fanfare feel earned and exciting. As gameplay clips and edited videos spread online, creators borrowed the sting to mark any dramatic entrance, from a friend walking into a room to a rival joining a stream. Its short length and instantly recognisable game-show drama keep it useful for introductions today.