Devious Ninja Black Thorn

Devious Ninja Black Thorn (邪忍 黒い茨): Appears in Episode 30. A young shinobi who was raised and trained by the ancient ninja master Genchi Koshimura (越村玄斎). Despite being trained by Koshimura to be a champion of justice, being the one who gave Black Thorn his name, Black Thorn rejected his master's values after his mother's death and turned to a life of crime by becoming a bank robber, believing that he could've saved his mother's life if he had money. Presumed dead after a fight with his former master, he returns four years later to plot revenge on Koshimura by framing him for various bombing and blackmailing incidents against the Government. He uses rose thorns as weapons.