Most jungle was built off of newer jazz styles that incorporated more drums, and fast cymbal beats. The junglists took the drums by themselves, and made a new type of music, jungle. This has further evolved into the sub groups mentioned above. Other musicians that do jungle are...
Adam F
Ken Ishii
Goldie
Kumo
Source Direct
DJ Trace
DJ Soul Slinger
Aphrodite
DJ Spooky
Dillinja
Decoder
J-Majik
DJ Dara
DJ Krust
DJ Hype
Ed Rush
Future Forces
Genotype
Hive
Mastermind
Peshay
Photek
Shogun
Squarepusher
State Logik
Daito