JJ reminds me of the protagonist from the obscure game GoGo Kokopolo, being mischievous cat-like characters

To be honest, this is awful. The animation is simply dragging an asset, and doesn't feel like motion.

A good solution is to have this puppet-rig animation have more joints that make it feel like movement

I like the grainy water colored design, which is different from other animation I've seen in this site