Chibi JJ, whose full name is Chibi Jet Jaguar, is a supporting character in the anime Chibi Godzilla Raids Again. He is a humanoid robot who has taken on the role of the self-proclaimed police officer of Monster Island.

Chibi JJ is a version of the kaiju Jet Jaguar, originally from the Godzilla franchise, reimagined in the super-deformed chibi art style that defines the series. His background establishes him as a resident of Monster Island, the central location where all the miniature kaiju live and interact. Information regarding his personality, motivations, specific role in the story, key relationships with other characters, any personal development he undergoes throughout the series, and any notable abilities he possesses is not available.