The playable protagonist in [[Gensou Suikoden II]] (幻想水滸伝II). Wields [[tonfa]].
Often shown with sister [[nanami (suikoden)|Nanami]] and friend [[Jowy Atreides-Blight]].

The name Riou comes from the novelization and drama CD. He is also known as Tao in the manga version.
2主 リオウ タオ