He is a possible spammer HuwR. Do a search for his username and you will find many other discussion boards with the same username that registered on the same day.
I have also had a "joh123" over the past couple of days signing up to my Snitz 2000 forums and propose a business proposal via a PM to some of my users (lock and password change first thing to happen).. The check of them.
LOL. Not such a bad thing, depending on the "business". I have had supposed females send me proposals where they'd give me the "business" if I accepted.