Ganmo Unohana is a recurring character from the "Himitsu no Akko-chan" franchise. His full name originates from the first anime adaptation and subsequent media. The surname "Unohana" references a sautéed tofu dish and the unohana flower, reflecting his family's association with a tofu shop. Physically depicted as a young boy, Ganmo stands slightly taller than characters like Chibita but remains small in stature. He typically wears a kimono and overcoat that conceals his arms, creating a stubby, wing-like appearance. His design features "whisker"-like facial markings and a distinctive bowl-cut hairstyle. Early artwork resembled Chibita, while later iterations showed a pointier mouth in profile views. Ganmo's personality evolves across adaptations. Initially portrayed as mature and old-fashioned, he enjoys rakugo storytelling and drinks coffee like an adult. However, in "Osomatsu-kun" crossovers, his characterization shifts toward a smarmier, more bratty demeanor, particularly when acting as a rival to Chibita in entertainment ventures. His speech incorporates unique sentence endings like "de gesu" and "de ansu" to emphasize traditional affectations. He primarily serves as Kankichi's best friend and confidant, often providing shelter at his "secret base" during Kankichi's troubles. Their friendship remains consistent across most media, though Ganmo's role expands in spin-offs like "Osomatsu-kun," where he interacts with broader neighborhood dynamics. His family includes a mother managing the tofu shop, though other relatives are less defined. A boy named Tamao appears alongside him in one chapter, possibly a brother or friend. Development across adaptations shows variability in age portrayal. Early manga appearances leave his age ambiguous, while anime versions solidify him as similar in age to Kankichi and Chikako. The 1988 anime further develops his family background, introducing voiced roles for his parents. In the web manga "Himitsu no Akko-chan μ," Ganmo is drastically redesigned as a more comical-looking classmate of Akko. Ganmo's narrative function centers on supporting Kankichi and participating in neighborhood antics, with his tofu-related background and evolving personality maintaining relevance through franchise iterations.