Hikakin and Seikin are Japanese YouTubers whose short, shareable clips circulate widely among fans and meme creators, and this entry is labelled as the third volume in a series of their call sounds. On soundboards it sits alongside other short creator clips that are easy to replay, share and reuse in edits, rather than as part of a longer song or show. That simple, repeatable format is why it keeps appearing in fan edits and short videos: it is instantly recognisable to viewers who follow the duo, even without any extra context.