One of my brothers thought it was a dog also. I know it looks like a dog but if you look at it right you can see that its supposed to be a human looking robot. The mouth is the small green area right below the eyes.
"Say you're hanging from a huge cliff at the top of mt. everest and a guy comes along and says he'll save you, and proceeds to throw religious pamphlets at you while simultaniously giving a sermon." - Dustin G