My 3 fav are John Entwistle of the Who, Geddy Lee of Rush and John Paul Jones of Zeppelin

I'm with you on Geddy Lee.
Also, Tom Morello (the music not the politics)
And Duff McKagen

check out the isolated bass track of the who's "My generation"

also Chirs squier of yes was awesome too, Geddy took his spot at the rock hof induction..

Rodger Waters
John McVie
John Paul Jones

just did a vocals one, 4 got to put Christie McVie , love her voice..

I have always preferred her over Stevie Nicks.

geezer butler, and john paul jones

icons

I dont know if it counts since he passed away already, but Cliff Burton.

Geddy Lee
Flea
Rodger Waters