“Chupacabras are goat sucking, nocturnal alien panthers who’ve been stranded years ago on earth.” (source)
I think we can all rest easy now that we know the origin of the “dog”. Behold:
For fans of chuck:
In three resolutions (jpg format). Clicking the link will open a new browser window, with the image inside. PC users right-click the image and select “Save Picture As”. Mac users… you know the drill: