The big sprite looks sort of... chunky. Lucario is mostly slender, so your sprite should be the same.
Take a look at his artwork, here.
As you can see, his paws and arms are neatly connected, and his ears are very prominent. And, his torso is shorter than his legs and isn't rectangular.
Try giving him a more natural pose, too.
Take a look at his artwork, here.
As you can see, his paws and arms are neatly connected, and his ears are very prominent. And, his torso is shorter than his legs and isn't rectangular.
Try giving him a more natural pose, too.