The mother fuzz. Big muff with a bass and treble tone controls. This a Baxendal/James tone control similar to what was used on Orange amps.
Retro Mechanical Labs Electron Fuzz. This is really loud and really fuzzy. Runs on a repurposed 12v wall wart. Not sure what’s in there. Doesn’t sound like op-amps more in the realm of Fuzz Face, Tone Bender.
Swollen Pickle clone.
Summon Fuzz.