User blog comment:HalliwellManorAkaDsc385/Does Nick Appear Differently to the Creatures?/@comment-69.68.243.175-20121101012930/@comment-105.236.2.47-20130418031751

a blach shuck is not a hellhound. i like the theory of a grimm being a black shuck it seems plausible as an opinion

http://en.wikipedia.org/wiki/Black_Shuck

http://en.wikipedia.org/wiki/Hellhound