- "It was like a Sullustan ash-rabbit, but huge, with a ridge of spines—"
- ―Milo Graf
The Sullustan ash-rabbit was a species of ash-rabbit found on the planet Sullust. While on "Graf-World," a Wild Space planet, Milo Graf encountered an ash-rabbit, which he likened to a Sullustan ash-rabbit.
- Adventures in Wild Space: The Escape (First mentioned)