Jax and Pomni are breakout characters from The Amazing Digital Circus, an animated web series about performers trapped in a digital circus. Jax, the sardonic purple rabbit, is famous among fans for teasing Pomni, the anxious jester protagonist. This sound twists the old saying 'when the cat's away, the mice will play' into a fandom in-joke about Jax causing trouble unsupervised. It circulates as a short meme audio for edits, gaming clips and shitposts, where the mere mention of the duo signals playful chaos to viewers who know the series.