The Poisoner

The Poisoner (誕毒犯 Tandokuhan) was a troublemaker from Shinjuku.

Appearance
In the anime, the Poisoner is shown to wear a gas mask and have slick white hair.

Background
The Poisoner was a dangerous troublemaker who was based in Shinjuku. However it was reported that the Poisoner was among the troublemakers that were killed or in custody of the Materials Compiling Group No.3. However before passing away the Poisoner took on a pupil named Kazami Asaura who would don their signature gas mask and become a formidable presence in the underworld.

Trivia

 * In the anime, the police showed images of each individual troublemakers. Those who were captured were depicted behind bars. Others though such as the Poisoner were depicted with images possibly related to their deaths. For the Poisoner it was a snapshot of a body in ice with playing cards scattered about which either could hint that possibly Phantom Soiltaire was involved in the other troublemaker's death.