i have a character that goes with a species called Moonkats, and one of their abilities is to turn into a human-like figure. they are almost creepily thin in this state, and have big eyes, and keep their horns and tail. here's a drawing of my main Moonkat, Celia.

oh yeah also they dont have pupils. aaand if they go without moonlight for long enough, they starve. they dont eat food, they drink in the moonlight. this is also shown by the fact that, in actual Moonkat form, they have no mouth