Best rock bass player

Today is the 11th anniversary of John Entwistle's death. I had the pleasure of seeing him play live a few times and was always impressed by his musicality and ability to keep up with Keith Moon- much less lay a foundation for Pete Townshend. I also have always enjoyed Chris Squire, Stanley Clarke, and Flea for similar reasons. Who are some of your favorites?
Dusty Hill ZZ TOP! Jack Bruce, John Entwistle, and a call out to Bill Wyman for laying down the best rhythm with Keith and Charlie!
Yeah, Bach's feet are the Original Bass Player. And they rock.

James Jamerson (and the Funk Brothers rhythm section that he anchored) played on more #1 hits than the Beatles, Stones, and Elvis combined. But since he didn't sing, nobody cares.