Artist.

Japanese name: まつのき (Matsunoki)
The other names: "mtnk" or "mk"
Circle name: 頼れるのは己の脚のみ！ (Tayoreru no wa Onore no Ashi Nomi!)

See also

• Pixiv account: http://www.pixiv.net/member.php?id=9273658
• Niconico account: http://www.nicovideo.jp/user/28476132
• Niconico Seiga: http://seiga.nicovideo.jp/user/illust/28476132?target=illust_all
• Privatter account: http://privatter.net/u/mattttttsunoki
• Twitter account: http://twitter.com/mattttttsunoki
• Circle.ms: http://portal.circle.ms/Circle/Index/10356987
• Old twitter (1) (deleted): http://twitter.com/sigure_smash
• Old twitter (2) (deleted): http://twitter.com/char_smash
• Old twitter (3) (deleted): http://twitter.com/makiya_1919