Quote - Did you save that collection from the messed up figure or a working figure.

If you load a new apollo into that scene and apply that collection how does he render?

It sure looks like you've found some hidden toon rendering option.

I deleted all the nodes so the textures are no longer present.  I saved it as a material collection.  When I load it onto a whole new model and render, it still gives the same "Silver Surferish" effect.

I have no use for the effect and am willing to share it.  I just don't know how.