Artist.

Nickname: 500式 (500shiki, the artist always uses this spelling: "500siki")
The other names: 五百川 or samu
Site name: ラビオリ (Ravioli)

h4. See also

* Home page: http://www.geocities.jp/ravioli_samu
* Pixiv account: http://www.pixiv.net/member.php?id=9926
* Tinami account: http://www.tinami.com/creator/profile/4782
* Twitter account: http://twitter.com/500siki
* Twitpic account (server stopped): http://twitpic.com/photos/500siki

iyokawa