Vachirawich Watthanaphakdeephaisan, nicknamed Ryu, is a Thai singer, actor and table tennis player. He was a member of the boy group 9x9 (Nine by Nine). Nowadays, Ryu is an artist under Channel 3. Vachirawich Watthanaphakdeephaisan, nicknamed Ryu, is a Thai singer, actor and table tennis player. He was a member of the boy group 9x9 (Nine by Nine). Nowadays, Ryu is an artist under Channel 3.