The creator of this character is unclear, but it could have been Vince Marchesano although he never wrote any of the stories. In Japan, Harumi No of the Chunin family rises through the ranks of the Ninja to become a Jonin or leader of a Ninja Family of 150 assassins. Dissatisfied, he leaves this life and immigrates to Canada which becomes a base for his world spanning activities as a mercenary.
PERIODICAL GRAPHIC ANTHOLOGY:
“Dark Ninja.” Car.& Col., Vince Marchesano. Orb Magazine 1-4, Nov./Dec. 1975: 26.
“Dark Ninja: Harbinger of Doom.” Writ., Russell Wallace. Pen., Vince Marchesano. Let., & In., Bill Payne. Orb, 1-5, Jan./Feb. 1976: 10-17.
“Dark Ninja: Dawn of Darkness.” Co-writ.’ J. Waley & John Sech. Pen., Vince Marchesano. In., G. Day. Let., Bill Payne. Orb, 1-6, Mar./Apr. 1976: 42-48.
Illustrator, Vince Marchesano, Orb Magazine, 4, Nov./Dec., 1975: 33.