It's probably a little unfair to expect forum members to guess about someone who doesn't post in the forums. Considering that the majority of CC members (including Singles) tend to fall in the "either-or" category, and very very few of us fall into the "both" category, it's almost like asking a group from one site to play Guess Who with members of another site altogether.
That's one of the reasons that no one here has put Jonathan1977 or ntw1103 up as puzzles...because 95% of forum readers have never met them, despite the fact that you can see them almost every night in Singles Chat.
Just throwing it out there, as we continue to flail about aimlessly.