[caption id="attachment_2430377" align="aligncenter" width="1556"] Dogs parade in costume during a Halloween contest at the Old Westbury Gardens on September 30, 2012 ...

And it's not only guide puppies who're at it with the Halloween costume theme. Last October, a slew of well-clawed canines head to the Bully Boo! Dog Walk in California to battle it out in a ...