Managing 25 animated buttons

I'm trying to think thru the most efficient way to handle a large volume of animated buttons that can't be ganged into a panel.

Here's an example of a prototype I whipped up with temp art:

I have a few problems with this first stab ...

First is that each of these buttons has it's own animation clip, it's own animator controller and it's own animator component. I can't see any way to avoid this... I guess somewhere I was thinking that I...

Managing 25 animated buttons