Hiroya Oku (奥 浩哉 Oku Hiroya, born September 16, 1967) is a
manga artist who is the creator of
Gantz, Zero One and
HEN, all of which have been serialized in
Weekly Young Jump. He is finished working on his most renowned manga, Gantz, which began in July 2000. His manga often contain explicit violence and gore, as well as sexual situations.
He won the second prize of the Youth Manga Awards in 1988, under the pen name Yahiro Kuon.
He designed a character for
Xbox 360 and
PlayStation 3 fighting game,
Soulcalibur IV named