There are two huge influences in 'Manna-X'. One of them is 'Waiting for Godot', with the three hobgoblins playing out the roles with boots, hats and damn craziness of nothingness, along with the four Bobs after they have been...moved. But mainly the hobgoblins.
The other influence is 'The Master and Margarita'. What a book. There's a certain quote by one character which says something like "What use is a head?" I took it many ways :-) Why don't you have a read? It's damn cheap as an ebook. It's worth the money just for the complete King Solomon collection, which includes many fantastic toys such as [censored due to wanting someone to buy the thing].