Ryoichi Kitanishi - is a video game producer. Ryoichi Kitanishi began his career in 2004 and has worked for companies such as Nintendo and Intelligent Systems. Ryoichi Kitanishi's first game was WarioWare, Inc.: Mega Party Games! which was released 20 years ago. Best Game Ryoichi Kitanishi contributed to was WarioWare: Twisted!. Ryoichi Kitanishi's latest work is Super Paper Mario which was released 17 years ago.