Sly Dunbar - of course that's because I associate him so closely with Robbie Shakespeare and I've always loved their synergy.
Tony Williams - just atomic. But he also was as much of a conductor from the drum throne as he was a drummer and a true artist.
Elvin Jones - same as Williams' role, but his work with the Coltrane Quartet will prove to be immortal imo.
Joe English, Circa "Venus and Mars/Wings At The Speed of Sound" - I can't explain this one, he just seems to complement Macca and all the songs from that era.
Here's one - Jerry Mercer from April Wine. In this 2003 clip, he's a mere 69 years young: