1. Absolutely not.
2. Ethereal, Jay, Pat, Cassiopeia, Nyanko as far as I know. The GM team is too irregular to have every GM as a judge, so you can have guest judges for specific weeks.
3. If the rules aren't posted, don't use them.
4. Whatever makes your lives happier, easier and less complicated. Just make sure you follow through with your decisions.
Whether or not you guys are friends or that this forum is hidden, you shouldn't be calling each other vulgar names. Whether you think so or not, you're part of the Fro Staff in your specific capacity, and you should show it. Hard assed but there it is.