It's written in German the title of which is Die VERWANDLUNG.
About an ordinary man who wakes up one day to find he has been transformed into an insect. The book shows how he must STRUGGLE to adjust to it.
FOOTOOHEADS are all transformed into whatever name suits you to call them. But they did not struggle at all. They were meant to be transformed into the FOOTOOHEADS they always were that was latent deep within.
FOOTOO was the genie out of the bottle that filled a wish. VOILA! Whatever you choose to call them where humans used to be.