Nyan is the Japanese onomatopoeia for a cat's meow, and short nyan sounds have become a shorthand for cuteness across online video culture. Rather than coming from one famous scene, clips like this circulate as standalone reaction sounds on soundboards and in short-form edits, where a tiny, recognisable animal call can change the tone of a scene in under two seconds. Their appeal is simple and cross-language: listeners do not need to understand Japanese to recognise a cat sound, and the playful repetition makes it easy to remember, reuse and drop into pet videos, anime-style edits and lighthearted meme compilations.