Yes? There's a lot of them? Do you not... know about them?

[ Orpheus is vaguely aware that there are people and places in the world that don't worship the Olympians and their retinue, but the idea of someone avoiding them entirely is truly foreign to him, especially if they're from California. But something really weird is going on here, so he goes on to clarify. ]

There's the Olympians, and then the cthonic deities and the gods of the sea, and a few others that don't fit into any of those categories.