Hellhounds! The black phantom dog is one of the world's most sinister and intriguing legends. Several theories have been put forward to explain such ghastly spectres which take on varying forms, but always have the characteristics of huge, fiery-eyed dogs. Such manifestations have been observed headless and often roaming old cemeteries, whilst on other occasions they have been seen wearing heavy chains around their necks. Ghostly hellhounds also appear red, white, yellow and blue in......