Mangaka, artist who does CG work for the doujinshi circles Lolita Channel and Nightmare Express.  

Pen-name: 双龍 ("Souryu": the spelling used by the artist)
The other name: Ebicola (えびこーら)
Circle: Studio The DEVIL (スタジオザデビル)
Site name: D.D.D. (Double Dragon Desk)
Old site name: 双龍画廊 or PENGA
souryu