Praise in public.
Chew in private.
If all else fails you don't have to accept the insults. You can always return them to sender.
If what they are saying is the truth or a lie? A simple "here's the facts"? usually clears thing up..
I've caught audio2design a few times reinventing him/herself. There were a few that did it, trying to be a sneak, you'll see a LOT of that around MCs post. They arrive like flies to $hit.
Some ONLY post when he does. You can guess who they really are?
To tell the truth, ebm is right, WHO CARES!!
Regards