Hey Mesh, I pulled up Jamstix and figured I'd give it a go. I've had it for a while but I have too much fun doing the drum parts myself. This is what I've discovered so far:
Machine - Drum machine
Aaron Spears (Gideon Band) [JS3]
Animal (The Muppets)
Brush player (the kit wasn't changed so it doesn't really sound like it)
Carmine Appice (Vanilla Fudge, Cactus) [JS3]
Carter Beauford (Dave Matthews Band)
Chad Smith (Red Hot Chili Peppers) [JS3]
Charlie Watts (The Rolling Stones)
Danny Carey (Tool) [Metal]
Darren King (Mute Math) [AI]
Dave Weckl (Chick Corea Elektric Band, Manhattan Jazz Quintet) [AI]
James Stix (Jamstix drummer, not based on anyone)
Jason Bittner (Shadows Fall) [Metal]
John Bonham (Led Zeppelin)
Keith Moon (The Who) [AI]
Lars Ulrich (Metallica) [Metal]
Latino [AI]
Mark Brzezicki (Procol Harum, Big Country)
Mel Gaynor (Simple Minds) [AI]
Mike Portnoy (Dream Theater) [Metal]
Neil Peart (Rush) [Metal]
Noah "Wuv" Bernardo Jr. (P.O.D.) [Metal]
Peter Magadini (Diana Ross, George Duke, Al Jarreau) [AI] edited; was: Peter Erskine (Weather Report)
Phil Collins (Genesis)
Roger Taylor (Queen)
Simon Phillips (Toto) [AI]
Steve Gadd (Paul Simon, Steely Dan)
Stewart Copeland (The Police)
Tony "Le Freak" Thompson (Chic, Power Station) [JS3]
Will Champion (Coldplay) [AI]