Artist.
Japanese name: ๅฑฑๆ น ๆ้ (Yamane Takurou) (reading is a best guess)
Pixiv & TINAMI nickname: DOMO or ใฉใใ (Doumo)
The other names: ใคใใ (Yamane) or ใกใใใใ (Chinsukou)
Old names: ใใซใใ (Kanyamo) or ๅ็งฐไธๆ (Meishou Fumei)