“苟杳 (with the dog bite)” in gǒu yǎo lǚ dòng bīn” is a person, he is the neighbor of Lu Dongbin before he became a fairy.
Lǚ dòng bīn had taken him to his home after his parents died and helped him get married.
Later, I took the fame. Lǚ dòng bīn After the fire broke out, I also helped lǚ dòng bīn and set up the house and sent the silver. Later, people called and called “gǒu yǎo lǚ dòng bīn”