Artist.

Japanese name: 黒鴉 (Reading is given as Kurogarasu)
Circle & site name: ろしあですまん (Russia Desman) (A wordplay. "'Russian Desman'":http://en.wikipedia.org/wiki/Russian_Desman <-> a Japanese sentence that says "Sorry for being Russia")
Blog name: ロシアとカラス
kurogarasu