Rimelord Kvuska

The Doctor
Rimelord Kvuska was made a lieutenant for her aptitude with strange magics. She was discovered by Galanthus, who, driven by the Ring of Winter's evil, offered her a place to pursue her experiments. The spread of the Red Hand yielded plenty of injured people for Kvuska to play with, and her monstrosities were to be used as surrogate soldiers.

Gray Flesh
Kvuska's final experiment was the creation of gray flesh, a thick liquid substance