Shiryu the Rain is the former warden of Impel Down. Imprisoned in his own jail for slaughtering prisoners for sport. He became a member of the Blackbeard Pirates.
Shiryu is an antagonist in the One Piece series that was created by Eiichiro Oda. The series first began serialization in Shueisha's Weekly Shōnen Jump on August 4, 1997. He first appeared during the Impel Down Arc that began in Volume 54.
His first appearance was in One Piece Volume 55 CH. 538 "Level 5.5 New Kama Land", and his first anime appearance was in One Piece - Episode 440 "Believe in Miracles! Bon Clay's Cries from the Heart!". His character in the Japanese series is voiced by Takayuki Sugo, and the U.S. dub produced by FUNimation has not been announced.