rokkaku_denpa
Artist.
Japanese name: ろっかくでんぱ (Rokkaku Denpa)
Old name: 太郎 (Tarou)
See also
* Pixiv account: http://www.pixiv.net/member.php?id=14343234
* Niconico account: http://www.nicovideo.jp/user/2089632
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/2089632?target=illust_all
* Twitter account: http://twitter.com/iriya19470624
* Pawoo account: http://pawoo.net/@akiyamahideo