Artist, mangaka. The author of Kyoukan Astro. Formerly tagged as banno negi, negi (pixiv729440) or negie.
Pen-name: 蕃納 葱 (ばんのうねぎ, Bannou Negi)
Pen-name as an adult mangaka: 嘉下 葱 (Kamoto Negi)
The other names: ネギ or negi
Site name: negibatake.net
https://www.pixiv.net/stacc/negie
https://twitter.com/ban_negi
https://twitter.com/intent/user?user_id=93022140
http://www.mangaupdates.com/authors.html?id=3174
http://ja.wikipedia.org/wiki/蕃納葱
http://photozou.jp/photo/top/364481
https://www.pixiv.net/users/729440
http://twitpic.com/photos/ban_negi