I haven't the foggiest what you're talking about. I can't seem to find anything the OP is referring to. Screenshots maybe? Were they deleted/removed by a moderator?
Who are they user(s)? My server was hounded the past two or three days by the same moron trying to login/register on my site. Seems the twit has been doing on on dozens of servers all over, but never actually seems to post anything at all.