In fact, for those who may be monitoring this thread:
I've noticed that they're popping up in keywords at ebay auctions:
http://www.google.com/search?hl=en&q=abuhajar11
Must be a new way to send messages....
That could just be an artifact of the search engine. I've noticed that on some searches, the item pops up in all kinds of strange places. There may be markers that target search strings and add the items to a metatag list for later use.
Just a guess.
abuhajar seems to appear in posts with cars and medicine.
There is a good photo of him in the photo link.