Artist, eroge illustrator, eromangaka.
He is an artist who was active on NIFTY SERVE (a now-defunct Japanese commercial online service provider) along with atchy.
Japanese name: 宇宙帝王
Circle name: むてけいファイヤー(yuuichi's circle) or スタジオお汁娘屋(atchy's circle)
Site name: 宇宙帝王社