Also known as the Black Star Bunny, they are a rabbit-monster originating from an unknown place, possibly another universe.

Possessing incredible powers thought to originate from a mysterious black star, she can change her size instantaneously (though when growing often prefers to take some time to make a show of it) and without limit. She has many other powers as well, and the extent of them is unknown, but they are known to include teleportation and telekinesis.

It is destructive and capricious, driven by its own enjoyment. Some say it has destroyed countless planets, galaxies or even universes.

At last my fursona has a reference sheet. There was sort of an old one I think? But it was an older design and I don't think it's online anymore.

It was originally a standard rabbit, but later I made it a rabbit-monster with a dragon-like tail, sharp teeth, pupilless glowing red eyes and such. I'm not sure if I have access to the first ever drawing of them anymore, and I don't recall when they were first created.