To examine the various factions, I consulted Peter Cembalest, who specializes in conceptualization of such phenomena. Peter (age 9) uses Lego Minifigures as a medium, and assisted me with the diorama on the next page. It identifies the 12 players in the EMU Debt Crisis most likely to affect policy from here; red lines indicate who each entity believes should be stuck with the cost.
Full note with larger graphic and key to figures here (pdf). (Via Felix Salmon's blog at Reuters.)