Artist.

Pixiv nickname: ?
Pixiv username: voidasterisk "(void *)":http://en.wikipedia.org/wiki/Void_type 
Twitter ID: NullableT "(Nullable<T>)":http://en.wikipedia.org/wiki/Nullable_type 
Twitter nickname: なる (Naru or Null)

h4.See also

* Pixiv account: http://www.pixiv.net/member.php?id=12803
* Twitter account: http://twitter.com/NullableT
voidasterisk