WEBKouta Hirano (平野 耕太, Hirano Kōta, born July 14, 1973) is a Japanese manga artist born in Adachi, Tokyo, Japan, most famous for his manga Hellsing [1] and Drifters . Career. Hirano said he learned how to be a manga artist from reading Akira Toriyama and Akira Sakuma's Hetappi Manga Kenkyūjo. [2] .