The "D.Gray-man" anime and manga series features a cast of characters created by Katsura Hoshino. The series is set at the end of a fictional 19th century during which the Black Order searches for Exorcists, the "Apostles of God" chosen to wield a divine substance called Innocence. They are the only ones who can destroy Akuma, weapons created by the Millennium Earl from souls of the deceased when humans curse God for the loss of loved ones, and stop the Earl's plan to destroy humanity.