>>114771827not exactly, altho color could be because of that, it also resides on the lines of movement and the way the pose is implemented.
Look at the 99 draw, look at the way the square that makes Spongebob is slightly tilted backwards, and also not geometrically perfect, look at his hands, each finger is clearly visible and is separated from each other slightly, the way he stands is also a factor, look at how the feet make a V.
Now look at 2014, look at how perfect the way he stands is, the square that makes his head and body, his eyelashes have the same space between each other, his hands are completely still, and his feet are facing the same direction.
Soul many times comes from little details that enhance the design, many times soul is just an easier word for good implementation of a character's design, sure, the core bases is there, a yellow square with arms and legs and holes, but the way is implemented and how imperfect it looks is what gives it life.
