Not content with calling Goldman Sachs a vampire squid :

Writer Matt Taibbi earned a spot at the forefront of Goldman critics by distilling the case against the firm into a single memorable image. In a Rolling Stone article last summer, he described America’s largest investment bank as “a great vampire squid wrapped around the face of humanity,” extracting money wherever it can.

which on its own is a great mental image and even better when you see a picture of one (very cool eyes) :

we now have the US Federal Reserve being likened (pdf file) to a rather unfortunate pig :

The Fed is like AIG on Cocaine or a Two-Faced Mutant Pig

One can only imagine what someone will dream up to describe Greek woes when the brown stuff impacts with the air circulation device.