Rhythm, Malcom Young. For lead (& rhythm), John Frusciante.
Given “best” could be many things, there are many “great” guitarists, but these two for their shear volume of work, both over decades, both listenable and interesting and of course, successful.
Golldammed motion detector lights. A guy can’t even piss off his porch in peace any more.
"Look, I want to help the helpless. It's the clueless I don't give a [bleep] about." - Dennis Miller on obamacare.
