Masashi UedaMasashi Ueda.

Masashi Ueda (植田 まさし, Ueda Masashi; born 1947) is a manga artist who wrote Kobo, the Li'l Rascal, a four-panel comic that has headlined Daily Yomiuri since 1982 and has amassed over 10,000 strips and 60 compilation volumes, as well as inspiring an anime adaptation. Ueda began drawing comic book strips when he worked in his brother's cram school. Ueda began producing Furiten-kun, a comic book strip about a mahjong player, in 1979.