ogata_zen
Artist, mangaka.
Japanese name: 尾形 全 (Ogata Zen)
The other names: １２歳, おがぜん, 子宮パン or 尾形
Circle name: 四才ブックス
Site name: ponpe matkachi
See also
* Website (defunct): http://matkachi.saiin.net/
* Pixiv account: http://www.pixiv.net/member.php?id=83095
* Nijie account: http://nijie.info/members.php?id=1941
* Drawr account: http://drawr.net/ponpe
* Twitter account: http://twitter.com/zzogatazz