Artist.

* Japanese name: 座間 (Zama)
** Twitter account: http://twitter.com/zamasaku

* This seems to be the artist's old accounts:
** Nickname: ネムヘム (Nemuhemu or Nemhem)
** The other name: ね (Ne)
** Pixiv account: http://www.pixiv.net/member.php?id=10038935
** Twitter account (deleted): http://twitter.com/nemhem101
** Drawr account (unconfirmed): http://drawr.net/nemhem
zama (zamasaku)