There seems to be a posse of people in this community who think being a boil on everyone's ass is somehow funny. I've been in their server, and most of what I saw was them doing this stuff to themselves and laughing about it.
The easiest solution in my eyes would be to just ban them all the second they show up. Some of them can be fine to talk to, but at the same time they're doing this stuff. It's like multi-personalities, but they all have the same alternate ego that is basically just damaged goods incarnate.