ame-rain
Artist.
Japanese name: 雨音 庵 (Amane Iori) (reading is a best guess)
The other name: 雨さんbot (Ame-san bot)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=2368144
* Twitter account: http://twitter.com/amesanneco
* Twipple photo images: http://p.twipple.jp/user/amesanneco
* Twitpic account: http://twitpic.com/photos/amesanneco