needle_(needlebomb)
Artist.
Nickname: needle
See also
* Twitter account: http://twitter.com/needletubuyaki
* Old pixiv account (1) (deleted): http://www.pixiv.net/member.php?id=8085536
* Old pixiv account (2) (deleted): http://www.pixiv.net/member.php?id=2720702
* Pixiv sketch account: http://sketch.pixiv.net/@mm1983611