Zhou Xiao Jin (周小瑾) was a pet puppy owned by Xiao Qiao and Zhou Yu two years ago. He ran off a while after they adopted him and never returned again. It was found out in the 45th Round that Xiao Jin held refuge in a junkyard sometime after Xiao Qiao left Zhou Yu. Sometime later, Zhou Yu found him and to get him home, but the puppy resisted strongly and hid in the junkyard for days until he got kidnapped by an old senior of Jiang Dong to use him as a leverage for Zhou Yu. However, his mischievous means were stopped by Zhou Yu's assistant, Lu Meng. After Xiao Jin was saved, he returned to Zhou Yu's home.