pettan_p
Artist. Not to be confused with this vocaloid song creator.
Pixiv name: ペッタンP (Pettan-P)
Niconico name: halo0001
Twitter name: halo0002
See also
* Pixiv account: http://www.pixiv.net/member.php?id=884506
* Niconico account: http://www.nicovideo.jp/user/31663060
* Niconico Seiga: http://seiga.nicovideo.jp/user/illust/31663060
* Twitter account: https://twitter.com/pettanp