Thank you!

I wondered if there was some significance to the selection, or if it was just because it is a well known meme base image.

I see they are known small game hunting dogs from Japan, of the Spitz breed (I think Huskies also are in that group).

The dogs expression has always made me think "wary eye", or "you gotta be kidding me"... so I did wonder if Elon were making a nod to that.

Of course, the original conversation where this change was mentioned was 'doge' not dog... so, who the heck knows.