Artist.
Nickname: un-known
The other names: のうん (Known or Noun), "Unknwon", NOUN-96, "Kyuroku Known" or UNKNOWN
Site name: 電動脳髄
https://www.pixiv.net/users/2599169
https://www.pixiv.net/stacc/kdjafklhag
https://www.pixiv.net/stacc/maarasama
https://sketch.pixiv.net/@kdjafklhag
http://touazyuukou.blog.fc2.com
https://www.youtube.com/user/known696
http://picasaweb.google.com/109272400816445143964
http://plus.google.com/109272400816445143964/posts
https://www.pixiv.net/users/315238
https://www.pixiv.net/stacc/ninesix
http://twitpic.com/photos/known_