Artist.

Nickname: ダック水内 (Duck Mizuuchi) (reading is a best guess)
Site name: コロリンボ

h4.See also

* Blog: http://55991.blog.fc2.com/ 
* Pixiv account: http://www.pixiv.net/member.php?id=7809742
* Niconico account: http://www.nicovideo.jp/user/35176386
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/35176386

duck mizuuchi