Alternatives to the ProCo Fat Rat

Electro-Harmonix Satisfaction Plus Fuzz

Shared character: fat, clarity, response

EarthQuaker Devices Barrows Fuzz Attacker

Shared character: clarity, distortion

Catalinbread Fuzzrite Mini

Shared character: fat, response

Electro-Harmonix Flatiron Fuzz

Shared character: distortion

Tone City TC-T37 Mad Stone Classic Germanium Diode

Shared character: distortion

Spaceman Rumblefuzz II

Shared character: fat, response, distortion

Fairfield Circuitry 900 Fuzz

Shared character: distortion

Beetronics Royal Jelly

Shared character: fat

Warm Audio WarmBender Selectable 3 Circuit Fuzz

Shared character: fat

EarthQuaker Devices Hoof Hybrid Fuzz

Shared character: distortion

Fulltone '69 MkII Fuzz

Shared character: fat, response, distortion

Catalinbread Karma Suture

Shared character: clarity, response, distortion

Fulltone Custom Shop OCD Gold Standard LTD

Shared character: distortion

Tech 21 Boost Fuzz Metallic

Similar role and voicing

Cusack Music Screamer Fuzz V3

Shared character: blues players

Sola Sound Tone Bender MK1

Shared character: response

Wells Amp NYC 8 Ball

Shared character: fat

Tru-Fi Tru-Fi Sammy Fuzz

similar tone character