pichu_power
But Never Again...
It looks exactly the same except its mouth is closed and they made it darker, which looks better because it is a DARK type pokemon.
Houndoom's snout looks a bit longer and the mouth does look wider...it's supposed to be smiling?!
They ditched the ferocity that Houndoom is supposed to have...the D/P sprite made it like growl and hunch over [a little of what Umbreon looks in HG/SS], but now it looks ridiculous with it's so called 'howl' ?