And keep in mind there may not be one online at the time. You can look for blue and purple names in the "what's going on?" section at the bottom of the main page right above the "who visited today?" area. Those are the moderators.
I banned him just before I went to bed last night under "xenos123" and he returned after I logged off to strike. I'm guessing he is our long term South Korean troll who has been attacking us for about 5 or 6 years off and on.