Conversation so far:
Are there any other interesting aspects about the Ed the Happy Clown article?
Christian elements especially—largely sacriligeous—are prominent in the book
What is an ezample of a Christan in the book Ed the Happy Clown?
They are at first innocuous and unimportant: a zombie named Christian, another character who believes he has found Christ's face on a piece of adhesive tape.

Question: what other themes are there?
Self-contained rewrite: what other themes are in Ed the Happy Clown besides Christian elements?