Onigumo is, of course, the human mainly reponsible for the creation of Naraku, and thus caused much misery for all the characters in the story.
Muso
Final Death
Trivia
- Even though Naraku was the ruling personality of Onigumo's former body, Naraku seemed to retained some of Onigumo's memories and desires as well: The Shikon Jewel, and the priestess Kikyo.