Pedals that stack with the Roger Mayer Voodoo-Axe Fuzz

Cordovox FL-8

Keep Cordovox FL-8 after Roger Mayer Voodoo-Axe Fuzz in the signal chain, clear of Roger Mayer Voodoo-Axe Fuzz's own gain stage

Walrus Audio Ages

Walrus Audio Ages layers clean boost onto an already fuzzy signal

Fender Blender

Run fuzzy into Fender Blender for more octave on top

Pigtronix Echolution

Keep Roger Mayer Voodoo-Axe Fuzz's fuzzy voice out front: Pigtronix Echolution goes after Roger Mayer Voodoo-Axe Fuzz in the signal chain so its modulated voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

Electro-Harmonix Stereo Memory Man Vintage

Put Electro-Harmonix Stereo Memory Man Vintage after Roger Mayer Voodoo-Axe Fuzz in the signal chain, clear of Roger Mayer Voodoo-Axe Fuzz's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Jackson Audio Bloom V2 Compressor/EQ

Jackson Audio Bloom V2 Compressor/EQ's own transparent character is the real reason this is worth trying