kikuchi_satoshi
Artist, illustrator.
Japanese name: 菊池 聡 (Kikuchi Satoshi)
Pixiv nickname: CSS
Site name: ハルベルトの森
See also
* Blog: http://cssfc2.blog.fc2.com/
* Pixiv account: http://www.pixiv.net/member.php?id=6557655
* Twitter account: http://twitter.com/satoshi_css
The deleted accounts listed below had his old works. Not sure they're his old names/accounts or just art thieves.
* Name: 岩城 聰 (Iwaki Sou)
** Pixiv account: http://www.pixiv.net/member.php?id=4157099
** Twitter account: http://twitter.com/sou_iwaki
** Twitpic account: http://twitpic.com/photos/sou_iwaki
* Name: ajino_tumire
** Pixiv account: http://www.pixiv.net/member.php?id=1998277
** Niconico account: http://www.nicovideo.jp/user/19460764
** Niconico Seiga: http://seiga.nicovideo.jp/user/illust/19460764?target=illust_all
* Name: あじのつみれ (Ajino Tsumire)
** Pixiv account: http://www.pixiv.net/member.php?id=700740
* Name: sabano_tumire
** Pixiv account: http://www.pixiv.net/member.php?id=3649868
* Name: KCSS
** Pixiv account: http://www.pixiv.net/member.php?id=4605737