Compare that to this cat in "Toy Story 4." The difference is clear. But getting from that dog to this cat required a lot of innovation in between. Pixar forever ... When "Toy Story 2" came around ...

That would change with "Toy Story 2." Pixar introduced Geppetto, later updated to Presto, which allowed animators to reuse and adapt rigs for multiple characters. This sped up the animation ...