Real name Oota Jun'ya, creator of the Touhou Project series, more commonly known by his pen name ZUN. This tag is for those pictures that portray ZUN as a character.
BEHOLD YOUR GOD. BOW DOWN AND WORSHIP HIM--okay, not really. ZUN even considers himself a humble Hakurei Kannushi (Hakurei shrine priest/caretaker). Founder (and lead, and sole permanent member) of Team Shanghai Alice.
See Touhouwiki article on ZUN for more details.