Boingo is a minor antagonist in the manga and anime series 'JoJo's Bizarre Adventure', specifically appearing in the 'Stardust Crusaders' arc. He is the younger brother of Oingo and possesses the Stand 'Tohth', which manifests as a comic book that predicts the future. Boingo is shy and lacks confidence, often overshadowed by his more assertive brother. Despite his timid nature, his Stand's predictions are accurate, although they are often misinterpreted, leading to humorous and unexpected outcomes. Boingo's role highlights the quirks and unpredictability of the series.