Kouji Yamada

Kouji Yamada is a man fascinated with gothic structures in Europe and originally worked as a photographer, but it is said his only ability with the camera was to photograph ghosts. He is known to all of us as "Damaya-Ji," the man who looks like a vampire according to Yoh’s friends which caused Boris to freak out and obliterate him.

Personality
He is man who cares for the beuty of nature, which is why Asakura Hao wanted him on his team. Yamada also enjoyed drinking alcohol and eating crab.

Spirit

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His guardian ghost was the nature spirit of a red king crab. They got on well because Kouji himself resembled a hermit crab.

Past
Yamada once used to be a photographer and he would always visited famous monuments and historic ruins. It was during one of theese trips that he was visited by the nine year old Asakura Hao, who symphathized with his care for the nature and therefor wanted Yamada to join him.

Travel Through America
He was first introduced when Asakura Yoh and his friends finally found the old Patch Village. There he, the rest of Team "Kaze-Gumi" and Team "Tsuki Gumi" approached Yoh and his friends with orders from Hao to kill all of the Shamans present there except for Yoh.

Anime/Manga Difference
In the anime he disguised himself as a priest and deceived everyone.