Usada Pekora is a Japanese virtual YouTuber with Hololive, a rabbit-themed streamer who debuted in 2019 and built a large international following through gaming streams and comedic, mischievous performances. Short clips of her expressive voice, including this wavering uhuhuhu cry-laugh, spread through fan edits on YouTube and TikTok, where editors reused them as shorthand for exaggerated disappointment. Because the sound is instantly recognisable to Hololive fans yet funny even without context, it remains a popular reaction clip for memes, streams, and short-form videos.