The breeders say these cats weren't created by them but they are a natural mutation:
The Lykoi Cat is a natural mutation from a domestic shorthair that has the appearance of a werewolf. The mutation has occurred in other cats, but to date, no reports of anyone starting a breed have been made. Our founding cats come from two unrelated litters. The first litter was presented to Patti Thomas as a possible Sphynx mutation (which was later disproved with DNA testing).
They are, however, crossing with other similar cats to keep "producing them." Their words:
We have noticed that the black colored cats express the pattern of the werewolf cat more dramatically so we are focusing on only producing solid black cats that have the gene.
Full article -> http://sploid.gizmodo.com/humans-create-cat-werewolves-1522082730
Full article -> http://sploid.gizmodo.com/humans-create-cat-werewolves-1522082730