The joke works because all three parts are already famous on their own. Adele's Hello became a global pop moment, Mario's itsa me has introduced Nintendo's plumber for decades, and the Doom Slayer's BFG is one of gaming's most feared weapons. Editors combined them into a single escalating clip, sharing it as a soundboard sound for entrances that start friendly and end destructive. Its staying power comes from that instantly readable contrast, which needs no explanation for viewers who recognise any of the three references.