Artist. Likes transformers.

Pixiv nickname: 弐毛ちこ(Nike Chiko) (reading is a best guess)
DeviantArt ID: ka-ju
Old pixiv name: ニケ (Nike)
The other name: shika

See also

• Pixiv account: http://www.pixiv.net/member.php?id=1353352
• DeviantArt account: http://ka-ju.deviantart.com/