Hiroya Oku (奥 浩哉 Oku Hiroya?, born September 16, 1967 in Fukuoka, Fukuoka) is a mangaka who is the creator of Gantz, Zero-One and HEN, all of which have been serialized in Young Jump. He is currently working on "Phase 2" of Gantz, which is his most famous work. His manga often contain violence and sex. He won the second prize of the Youth Manga Awards in 1988, under the penname Yahiro Kuon.
Related to the Soul series[]
Oku is a guest artist for Soulcalibur IV and designed Shura for the game.