Sounds like a zombie book, to me.
Nudism is more popular than most people think. We live in a clothing optional resort in Florida – Caliente.
The cartoon character is not too implausible for the young Mailer — though I don’t think they were really trying to do that.
A further incidental about the book — He wanted to show soldiers swearing, just as a matter of realism, but as a compromise with the standards for mainstream publication at the time, used the word ‘fug’.
the movie of course was heavily watered down