"The Great Zucchini's real name is Eric Knaus, and the last few analytical paragraphs will come as a surprise to him. Eric is intelligent, but he is almost aggressively reluctant to engage in self-analysis, even about his craft. What he knows is that he intuitively understands preschool kids, because he's had a lot of practice. He worked at Washington area preschools and day-care centers for more than a decade.

During a brief stint as a party host at the Discovery Zone in Rockville, Eric discovered his ability to entertain as well as baby-sit. He was making $2 an hour, so tips were vital. And he found that the most substantial tips came when he acted dumb, serving up laughter along with the pizza."

https://archive.is/GTayt :

The Peekaboo Paradox

'The Great Zucchini arrived early, as he is apt to do, and began to make demands, as is his custom. '

'He declared the basement family room adequate for his needs, but there was a problem with the room next door. ', "When they bought this spacious colonial in Bethesda, the large area next to the family room was going to be Don's study."

'Not to put too fine a point on it, but the Great Zucchini was behaving like a complete idiot. '

'A few feet away, the Great Zucchini was pretending to be afraid of his own hand. '

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The article also discusses how the entertainer struggles with gambling and is self destructive.

In other news it appears that FX are developing a TV show about his life: http://www.spoilertv.com/2013/08/the-great-zucchini-comedy-from-lob.html?m=1