Some Former Staff and Site Staff/RM's could get banned actually. Some of them has lost their titles at least. Baloki's a banned Site Staff. He snaps every now and then. <3 edit: I see Kyono got that covered while I posted.

Dr Unne would be the perfect answer if you hadn't added Former Staff to the list. They invented the Drunk Tank to avoid banning him. Bleys would never be banned either. But whatever, they're both Former Staff so they don't count. I don't think there's anyone out of the people that post active here that the staff wouldn't ban if they snapped, though. I'ma gonna go with Rye on this one. She's a nice cute little horny girl who'd never hurt a fly. Unless he was a very, very bad fly and needed to be spanked in the shower.