Is there a way to make this into a driver?

There is probably an easier way to do this but this is what I have that works. The eyes/pupils are already rigged as well with drivers and I hope I don’t have to delete all of that.

Currently to change the textures I have to do this. Is there a way to make this into a driver, so it’s easier to flip through?

eyenodes
(gif)


(non gif)

Check out this here…you should be able to add a couple of drivers to get all the variations you are using…

Material Driver

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I ve written a little script, long time ago, to swap mesh by an empty position on X.
your objects mesh must be named like in the script. Mouth.000 Mouth.001 etc… or you can replace all the “Mouth…” syntax in it for your convenience.
Mesh swap

mesh_swap_handler.blend (563.9 KB)