Masashi Ueda

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. During that year he began producing Kobo, the Li'l Rascal. In 1988, as part of the United Nations International Literacy Year he visited Nepal as a special commissioner. In 1999 the Japan Comic Artists Association awarded Ueda a prize. Osusume Furiten-kun 1991–92 Serialized in Manga LifePublished by Takeshobo in 8 volumes Shin Furiten-kun 2002–2026 Serialized in Manga LifePublished by Takeshobo in 3 volumes Published by Action Comics in 48 volumes Published by Honbunsha in 27 volumes Published by Bamboo Comics in 17 volumes Published by Manga Time / My Pal Comics in 11 volumes Published 8 volumes Published by Hobunsha Comics in 5 volumes Published by Hobunsha Comics in 4 volumes Published in Kondansha Comics, 3 volumes Published by Bamboo comics, 2 volumes