Mei Hatsume is the enthusiastic inventor from My Hero Academia, a character known among fans for her energetic inventions and larger-than-life confidence. This short clip circulates in anime soundboards and fan edits as a baby-themed reaction tied to her playful side, rather than as a widely quoted line from a single famous scene. Its popularity comes from that recognisable character energy: creators reuse it to signal cuteness, teasing or sudden excitement, keeping it alive in short-form edits, reaction videos and meme compilations long after its first uploads.