Chihiro Mutobe

He was the right-hand man of Shidou Dairenji who also worked for the Spirit Division while being a member of Twin Horn. Two years after the first Spiritual Terrorism, he tried to conduct a catastrophic event on the same scale with the assistance of Douman. He implemented another failed spiritual catastrophic event called "The Second Purification of the Dolls." Before getting into custody by Zenjirou Kogure, he died due to a death curse spell which he placed on himself prior to incident.

(Source: Wikipedia and anime+)