Michael Rosen is a British author and poet known for animated performances of poems and stories. Clips from his recorded storytelling circulated widely on YouTube, where editors isolated memorable expressions and gestures for reaction videos and YouTube Poop remixes. The “nice” moment became a compact approval meme during the 2010s, helped by Rosen's distinctive delivery and the ease of placing one clear word after almost any reveal. It remains useful because viewers understand its approving tone without needing additional context.