The evil eye....

The original Ghost Kitty kept an eye on Snookums and the smallest Ghost Kitty without a name.  Snookums and her family are tame  cats, sort of.  Ghost kitty's are wild and its really not good when a

tame cat bites a wild cat.

Wild cats protect family members to the end.  If Snookums knows whats good for her, she'll be more careful when dealing with Ghost Kittys.