Chinese artist. Formerly tagged as D.B.Spark, Sandro, Sandro (Artist) and Spark (Pixiv).
Artist name: Spark or Spark_343
Old names: D.B.Spark or Sandro
See also
- Pixiv account: http://www.pixiv.net/member.php?id=2460172
- Sina weibo miniblog: http://www.weibo.com/u/1959067607