|Current Residence||Tokyo, Japan|
DJ Coo is Prism Stone's DJ. He created an android for his Momo so she can interact with society as Chisato Ibara. He randomly spouts some English words and says "Cool" sometimes. After one of Hiro's live concerts, it was revealed that he is actually a former top Prism Star, Rei Kurokawa (黒川 冷, Kurokawa Rei). He is nicknamed "The Legendary Father of the Street Movement."