is a Japanese gagmanga artist, best known for his series ''Bobobo-bo Bo-bobo'' and sequel ''Shinsetsu Bobobo-bo Bo-bobo'', both serialized in ''Weekly Shōnen Jump''. ''Bobobo-bo Bo-bobo'' was adapted into a 76 episodes anime series by the Toei Animation studio between 2003 and 2005. His father is Japanese literature academic Taizo Sawai.
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