i actually THINK that alot of his sound is from a Tube Screamer and something else.. but not fuzz. I thought there was a thread I was subscribed to that covered it.. but I cant find it.
edit...
i found a forum that list his gear as :
"So. First of all Rob is using 2x Ampeg Svt-II 300W tube amp with 2x 8x10 cabinets.
Somewhere i saw that he is using:
Electro Harmonix Tube Zipper, tube screamer,boss dd3 ,voodoo axe, Big muff, Boss DS1, Boss metalzone""
and it looks like this:
