Adoptable has been claimed
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A deep grey lion running across a background colour-picked from the disabled pride flag, depicting a stormcloud over a mangrove canopy, water with a white shimmer, dry yellow grass, a field of flowers and stones.
The lion has sectoral heterochromia, - the right eye is green with a spot of blue on it to better include all the flag colours, whereas the left eye is red. There is a scar on the back leg and across the throat, implying this is how the lion attained mutism.

This character is a free adoptable as part of a little drawing project I've been doing, intended for the I Hope So fandom. My terms and conditions are that the character's mutism is not edited out, I envision this design as an adolescent/teenage lioness (hence three cub spots on each leg) but you can change the gender if you want. Nonbinary is fine, as is cis or trans.

the gofundme campaign this project was made to spotlight met its goal

Am a fan of the I Hope So comic, if you're interested in a setting that allows for ease of fan character creation (making up a fan-pride with a category-based naming scheme and going ham) I'd recommend checking out the comic and/or the dub on youtube. Couldn't find much in the way of mutism symbols so went with the Disabled Pride flag again.

Fun lil' sparkledog lion, no name given but I imagine Slate works, otherwise adopter names and gender 'em however they want.
This free adoptable was claimed on bluesky here. Commissioned one of the comics' creators to do a lil' chibi of 'em too. (also art of chillin' with resident aro ace, Radiant)