Takashi Iwashige (いわしげ孝, Iwashige Takashi; 1954–2013) was a Japanese manga artist who wrote primarily martial-arts manga celebrating individuality. He is best known for the judo series Hanamaru Legend and its sequel, New Hanamaru Legend. He received the 1986 Shogakukan Manga Award for seinen/general manga for Bokkemon. Iwashige died at age 58 on 6 March 2013.
Source: “Takashi Iwashige”, English Wikipedia (CC BY-SA 4.0), excerpt
