Natch, lots of other people, especially on Twitter, had contributions to make.
In our opinion, this one won the Intertoobz.
Resign? Sorry, Benedict. You cannot resign. You must carry your papacy to full term. #bestpopejoke— emjb (@emjb) February 11, 2013
Its brilliance in turn inspired others, including Alison at Creekside, who applied her mad skillz to produce this further work of genius. (Note Ratzy's 'delicate' condition.)
The Hive Mind® is truly terrifying, innit?