Pedals that stack with the Catalinbread Giygas 2k

Warm Audio WA-C1 Chorus and Vibrato

Put Warm Audio WA-C1 Chorus and Vibrato after Catalinbread Giygas 2k in the signal chain, clear of Catalinbread Giygas 2k's own gain stage

Xotic BB Preamp

Where this leans dark, Xotic BB Preamp answers back bright

Dunlop FFM6 Band of Gypsys Fuzz Face

Where this leans dark, Dunlop FFM6 Band of Gypsys Fuzz Face answers back bright

Maxon CP-9Pro+

What Maxon CP-9Pro+ brings here leans toward compressed — that's worth building a pairing around

Keeley Vibe-O-Verb

Keeley Vibe-O-Verb's modulated voice goes after Catalinbread Giygas 2k in the signal chain — it's not there to compete with Catalinbread Giygas 2k's own fuzzy character — goes in the amp's FX loop (or last, into a clean amp)

Mooer woodverb

Run Mooer woodverb after Catalinbread Giygas 2k in the signal chain, clear of Catalinbread Giygas 2k's own gain stage — goes in the amp's FX loop (or last, into a clean amp)