I know that we can change the pitch of a voice but I've not heard of any other voice modifying than that.

I guess maybe next time I should look around before I just post stuff haha.

Will the day come when we are able to modify polygons so that we can create 100% unique characters?
Maybe even custom voices and sound effects.
I know nothing about how one would go about doing this.

One could create a TRUE Mewtwo this way.

I once thought that one could take the model from Shadow's assist trophy and reformat it somehow so that you could replace in with Sonic's model. Doing this would switch Sonic's 3D model with Shadow's.

Is anybody working on this at all?