If you haven't already done so, check out this Credit Card Prank. It starts here http://www.zug.com/pranks/credit/ and after you follow the pages through and see him Not sign his real signature and not get questioned, he goes into another mode here http://www.zug.com/pranks/credit_card/

WARNING: The above may cause you to laugh, maybe even cry with funny stuff this guy signs his receipts with.

Michael Ross