"ryo go home"

on 2chan i see the message
"Ryo go home" (in japanese of course) from time to time.
does anyone know who ryo is and why they say this?

Ryo is an idiot

yeah but who the hell is he for real

http://www.yane.com.cn
http://www.china-fur-trade.com
　　Our products include all kinds of fur,fur ball(rabbit ball,fox ball),fur cap&hat,fur accessories(fur flower,fur belts),fur Scarf,fur glove,fur bag,waistband,Jewellery(bracelets,anklets,bangles,belts,necklace,rings,earrings,necklaces and brooches),Toy,Commodities of tourism,Promotion nine big species and over a thousand kind of products. These products earn great popularity in the domestic market, 85% above are very popular in Europe, America, Middle East, South Africa, Southeast Asia ,etc. many countries and area.

WAT BITCH