Little reliable information is available about the original source of Mertyn, and it appears on the soundboard as a short user-uploaded music clip rather than a widely documented release. That lack of a clear origin has not stopped it circulating in short-form video, where brief, reusable audio is valued for its timing and recognisability rather than its backstory. As with many soundboard clips, its popularity comes from repeated use by creators who need a compact fifteen-second accent, and it continues to be shared and reused in edits, reactions, and meme-style posts.