Buddy Rich is hands down my absolute favorite. The man who continued to solo even when he was having what was later found to be a heart attack:
Buddy Rich Drum Solo - YouTube
Josh Freese is fantastic:
Josh Freese drumming "Wish" live with NIN - YouTube
Dave Weckl, Steve Gadd, and Vinnie Colaiuta are all fantastic as well:
Dave Weckl, Vinnie Colaiuta, Steve Gadd - YouTube