There is more than one artist under this name: 1. NM is a Russian rap project. 2. NM (originally named Nocturnal Mayhem) was a black metal band from Russia. 3. NM is a pseudonym of Japanese producer NAOKI.
Re-Venge is one of many pseudonyms that Naoki works under when creating music for the Dance Dance Revolution series of video games. It is the moniker used for creating traditional ethnic style music. Re-Venge has since been renamed as RevenG.
Toshiyuki Kakuta (角田利之) is a composer best known for his work on Konami games. Kakuta is best known amongst fans of the Bemani series of games under his pseudonym of L.E.D. (and many combinations thereof; see List of Bemani musicians). He is also known for his composition work on the Zone of the Enders soundtrack.
190 is one of the many pseudonyms used by NAOKI when creating music for the Dance Dance Revolution series. This alias is only used for the song PARANOiA MAX ～DIRTY MIX～ and is supposed to indicate the bpm (beats per minute) of the song.