From the outset they adopted a collaborative style where both worked simultaneously on the story and artwork, but as they diverged creatively they started releasing individual works under different names, Abiko as Fujiko Fujio A (藤子不二雄Ⓐ Fujiko Fujio Ē), and Fujimoto as Fujiko F. Fujio (藤子・F・不二雄 Fujiko Efu Fujio).