UNIT - Creature Balance + Visual Changes

I invite you, esteemed forum members and guests, to participate in the development of the second version of this mod and contribute your ideas.
All you need to do is answer a couple of questions and choose the creature texture you like best; it might become the final version of the unit's redesign.

-Are there any creatures and their upgrade versions that are still useless?

-Do the creatures need new animations (flight/movement/attack, etc.)?

-Which creatures, in your opinion, need cosmetic changes?[/B]

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Original texture.(Click to enlarge)

Option one.(Click to enlarge)

Option two.(Click to enlarge)

Option three.(Click to enlarge)
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I also want to show one of the many changes that have already been made.

Original texture.(Click to enlarge)

Updated texture.(Click to enlarge)