Pedals that stack with the Beetronics Whoctahell Custom Splinter

Cordovox FL-8

Cordovox FL-8's modulated voice goes after Beetronics Whoctahell Custom Splinter in the signal chain — it's not there to compete with Beetronics Whoctahell Custom Splinter's own octave character

Aguilar Octamizer (Bass Octaver)

Run fuzzy into Aguilar Octamizer (Bass Octaver) for more octave on top

Fender Blender

Put Fender Blender in front and the fuzzy tone leans further toward octave

Hungry Robot The Borderland

Run Hungry Robot The Borderland after Beetronics Whoctahell Custom Splinter in the signal chain, clear of Beetronics Whoctahell Custom Splinter's own gain stage — goes in the amp's FX loop (or last, into a clean amp)

Electro-Harmonix Stereo Memory Man Vintage

Keep Beetronics Whoctahell Custom Splinter's octave voice out front: Electro-Harmonix Stereo Memory Man Vintage goes after Beetronics Whoctahell Custom Splinter in the signal chain so its analog warmth voice doesn't muddy it — goes in the amp's FX loop (or last, into a clean amp)

W-LM Compression Fracture

W-LM Compression Fracture leans toward compressed, and that's a real, usable character to pair with