Artist, illustrator, mangaka.
Nickname: 猛禽パンチ (Moukin Punch)
Pen-name: にわ げんじ (埴輪 原人, Niwa Genji)
The other name: 猛禽レンチ (Moukin Wrench)
Circle name: スプートニク (Sputnik)
The other circle name: ねこざめ団
Site name: 猛禽屈中P
https://www.pixiv.net/users/59658
https://www.pixiv.net/stacc/niwagenji
https://twitter.com/niwagenji
https://twitter.com/intent/user?user_id=70405659
https://pawoo.net/@moukinpunch
https://pawoo.net/web/accounts/161016
https://sketch.pixiv.net/@niwagenji
http://blog.livedoor.jp/niwagenji/
http://mixi.jp/show_friend.pl?id=14547732
http://portal.circle.ms/Circle/Index/10134479
http://webcatalog.circle.ms/Perma/Circle/10134479
http://www.doujinshi.org/browse/circle/8315/
http://pixiv.cc/niwagenji
