Ryunosuke Watanuki (綿貫 竜之介, Watanuki Ryūnosuke, June 24, 1991) is a Japanese voice actor from Saitama Prefecture. He graduated from Yoyogi Animation Gakuin and is affiliated with Remax.
Batman: Arkham Asylum is an action-adventure game developed by Rocksteady Studios. The game was released on the 25th of August 2009. For unknown reasons every Arkham game made before Arkham Knight never received a Japanese Dub.
