As others have noted, if you do not want to be mistaken for a notorious, obnoxious poster who uses "Guest,Guest" it would be best to choose something else for a consistent guest name OR join up. It's free and you won't get spammed. And, all of this could have been handled by PM, though if you had a membership or a unique (well as unique as one can be when posting as a guest) guest name, then it most likely would not have been an issue, anyway.