Village stocks
It is a truth universally acknowledged that intelligent and otherwise sensible editors and administrators occasionally engage in acts of extreme stupidity.
Based on the fundamental principle that such blatant disregard of sensibility is best punished by humiliation, the village stocks have been built to identify the wiki-idiots in our midst.
Stocks of shame
Maxim
Who managed, on 3 February 2008, to delete the Main Page. (confession: [1])
Scientizzle
Who succeeded in locking the servers for half an hour on 16 January 2008 by deleting the sandbox, as discussed at AN/I and thus achieved various Wikitrouts and barn stars on his/her user page.