Love it. The touches of blue and cold metal contrast well with the red might-be-flesh, might-be-something-else parts. And bonus flamethrower of great justice.
Well, I consider this creature as something created entirely by humans (or not humans, heh X3 ), so it is rather a bio-robot of some kind than a modified dog ) It is expected to be stronger, faster and have a well-developed AI, making it far more intelligent than any existing animal.