I go to tell you the difference of TheRealDJTHED

First thing, He addressed was the mouth, as that was the biggest point of contention for most people. He pushed the upper lips down to hide more of the teeth, adjusted the size of the lips, and adjusted the overall expression slightly:

Next was the fur density. Before their had a little over 1 mil, but he wasn't too happy with that. He doubled the density to over 2 mil. As a result he could reduce the thickness of the hairs to make it feel more real and less stuffed animal like. Easily visible around eye rims:

And here's the whole face. he reduced clumping for the head fur on top of the increased hair density to hopefully make Pichu's fur look more soft:

And here's the version 2 from this:

Fixed some facial features