Agreed, hopefully you have heard Mr. Bungle, Faith No More, and Tomahawk.
Also, I'm generally not into the types of banRAB you mentioned but just recently got into Dog Fashion Disco and Polkadot Cadaver. Not sure if you're aware but the singer released a solo album recently, which I just got done listening to for the first time. I thought it was mostly acoustic but half of it seems to be alternative metal like his last two banRAB. So check that out...El-Creepo! is the name.