That was jumping sprite more of a placeholder, this is the real deal.
I tried to fix the jagged lines and arm shading, and no, I did not use Photoshop at all.
This was completely made in MS Paint.
It also looked a bit odd without the "block cluster" mouth.
The "pillow shading" was actually the outline, but I added a shine spot so it doesn't look pillow-shaded.
Forgot to say, I added the "hurt" sprite.