What guitars did Frank Zappa use?

Frank Zappa mainly used a Gibson SG (often a red one), or a least was famous for his SG playing, he did use multiple guitars, example: in the Video version of "does Humour belong in Music" he (and occasionally Ike Willis) used a fender telecaster, however in "the Torture Never stops" video he used a les Paul, and again has a les Paul on the cover for "shut up and play yer guitar" (the box set edition with all three shut up and play yer guitars, not the single album).