I believe I have a solution to our "Official Animal" problem...

We shall assign each animal suggested a range on the Highness Scale.

[0] - Zoidberg [1] - [2] - [3] - Ferret [4] - [5] - Skunk* [6] - [7] - Koala [8] - Sloth [9] - Turtle [10+] - Pineapple

(Just spitballing here and I have no 'inspiration' available, so edit to your heart's content. But [10+] is non-negotiable: so high you've become a pineapple.)