“Poyo” is closely tied to Kirby, Nintendo’s long-running pink mascot from the Kirby game series. Fans widely recognize it as Kirby’s signature vocalization, and short clips of it have circulated in memes, soundboards, and reaction edits for years. Its popularity comes from how instantly it signals cuteness in less than a second, making it useful in fast-paced posts. Online, it often appears in gaming memes, anime-adjacent edits, and wholesome reaction clips where a softer sound lands better than a loud punchline.