He prospered, he opened more stores, the kids were transferred to private schools, the family moved into a fancy house (with one staircase going nowhere just for show)...you get the idea.

One day his banker, Mr. Smith, asked him to drop by.

"So vat's the problem?" Greenberg asked, a bit anxiously.

Smith waved a bunch of checks at him. "Perhaps nothing," he said, "but I wanted to be on the safe side. These recent checks of yours are all signed with 3 X's, but your signature of record has just 2."

Greenberg looked embarrassed. "I'm sorry about making trouble," he said, "but my vife said that since I'm now such a high class rich guy, I should have a middle name!"