Fujiko F. Fujio is the pen name of Hiroshi Fujimoto, a legendary manga artist born on December 1, 1933, in Takaoka, Toyama Prefecture, Japan. He is best known as one half of the famed duo Fujiko Fujio, a partnership formed in elementary school with his classmate Motoo Abiko. The two began collaborating professionally in 1951, sharing the joint pen name from 1953. Their creative partnership endured for over three decades, during which they produced numerous iconic works that shaped modern children's manga and anime. The duo formally amicably dissolved their partnership in 1988, largely due to diverging creative directions and Fujimoto's declining health, after which Fujimoto adopted the name Fujiko F. Fujio to distinguish his solo career from Abiko, who became Fujiko Fujio A. Fujimoto continued creating under this name until his death from liver failure on September 23, 1996.

As the primary creative force behind the science fiction and wonder-driven narratives within the partnership, Fujiko F. Fujio’s solo works are characterized by a blend of speculative imagination, humanistic values, and optimistic storytelling. Following the split, his authorship became distinctly associated with several long-running series that exemplify these traits. One notable example is the series 21 Emon. The original manga was serialized in Shogakukan's Weekly Shonen Sunday from 1968 to 1969, telling the story of a boy who dreams of becoming a space pilot while being heir to a traditional hotel. This work was later adapted into multiple anime productions, beginning with a film titled 21 Emon: Uchū e Irasshai! which premiered on August 1, 1981. A 39-episode anime television series later aired on TV Asahi from May 2, 1991, to March 26, 1992, followed by a second film, 21 Emon: Soraike! Hadashi no Princess, released on March 7, 1992.

Another significant work from his solo period is Chinpui, a manga that began serialization in 1985 and continued until 1991. This series centers on two alien creatures, the mouse-like Chinpui and dog-like Wanderyu, who arrive on Earth to find a suitable bride for their prince. The manga was adapted into a 56-episode anime television series broadcast on TV Asahi from November 2, 1989, to April 18, 1991. A film titled Chinpui: Eri-sama Katsudō Daishashin was released on March 10, 1990. The enduring appeal of the work was recognized decades later; a new anime short, Chinpui Eri-sama no Good Luck, was screened at the Fujiko F. Fujio Museum in May 2025 to commemorate the manga’s 40th anniversary.

Throughout his career, Fujiko F. Fujio’s artistic identity was rooted in crafting narratives that explored the intersection of everyday life with futuristic technology and cosmic adventure. His stories frequently feature protagonists who, despite their flaws and insecurities, are presented with opportunities for growth through extraordinary circumstances. This thematic focus, blending speculative science fiction with accessible, character-driven comedy, became a hallmark of his post-partnership work and distinguished his creations from the more surreal and black-comedy-focused style of his former partner. His contributions to the industry are immense, with his body of work—both collaborative and solo—forming a cornerstone of modern Japanese manga and anime. The legacy of Hiroshi Fujimoto is preserved and celebrated at the Fujiko F. Fujio Museum in Kawasaki, which opened on September 3, 2011.