ah, now I have a use for this topic.
I found the UTAU boy (theme blue) on post #462938 (long large image). But I can't figure out what his name is.
雲之ツキ
blog
http://blueeyesboy.blog.shinobi.jp/Entry/990/
nico search
http://dic.nicovideo.jp/a/%E9%9B%B2%E4%B9%8B%E3%83%84%E3%82%AD
Updated