The Ashera Cat. // The rarest domestic cat available is called the Ashera (TM) and is a cross between a domestic cat and an Asian Leopard Cat like the Bengal Cat, but also is crossed with an African Serval.
Savannah cat -- photo by Hale Stone Savannah Cats. These are huge cats, some up to 30 lbs! The father is a wild Serval and the mother a domestic cat. My cat is part savannah, he's a big boy, has these spots, but some tabby stripes too!