Primary

• Akuma Rival of Ryu
• Akuma Younger Brother of Gouken

Extended

• Ryu Best friend of Ken Masters
• Ryu Friend of Chun-Li
• Ryu Enemy of M. Bison
• Ryu Rival of Akuma
• Ryu Rival of Sagat
• Ryu Student of Gouken
• Gouken Older Brother of Akuma
• Gouken Teacher of Ryu
• Gouken Teacher of Ken Masters
• Gouken Teacher of Dan Hibiki