From the original submission on DeviantArt on 1-16-26:
"This version of Yellow breaks just about every rule of Blue and Yellow. In simple terms, he's anthro here. He is not supposed to be like that. At all. And not to mention the arms. And tail. And clothes. And thin neck. And-"

I already elaborated on this in the complete comic post.
This was meant to scroll across the screen. But alas, Flash hates me.