I love a gnarly distorted bass sound. I've tried a bunch of different fuzzes, they don't really work for me with my band.
Here's what I have and like: Fulltone OCD, 3 different era Rats, MXR M80, Aguilar AGRO, ZVEX Box of Rock, Boss Blues Driver, EHX BBM, EHX NYC BM, & Sanford and Sonny...