What interesting type of cat can be made from hybridization?

BENGAL CAT
The Bengal cat is a cross between a domestic cat and a wild Asian Leopard. These cats are larger than typical domestic cats and may have a good temperament, but with the wild look of a spotted coat.

Bengal Cat

CHAUSIE CAT (also known as the Stone Cougar)
Chausie hybrids are a cross between the domestic striped cat and the jungle cat Felis chaus. They are large and muscular, with a broad chest and long legs.

Chausie Cat

SAVANNAH CAT
Savannah cats are a cross between a domestic cat and a wild African cat. The hybrid Savannah cat is said to make a good pet because it's sociable, friendly, and loyal. They are generally taller and stronger than ordinary domestic cats.

Savannah Cat

PIXIE BOB CAT
Pixie Bob hybrid cats are said to be a cross between a female domestic cat and a male bobcat, and occur naturally. These are large, heavy cats with a wooly, spotted coat and the short tail and ears of the bobcat. They are said to be friendly and intelligent.

Pixie Bob Cat

TOYGER CAT
The Toyger is a "designer cat," a cross between a domestic cat and a Bengal hybrid cat. They have a miniature tiger look, but the "designer" coloring and patterning of its coat can vary depending on its domestic cat parent.

Toyger Cat

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Some experts think that domestic/wild hybrids should not be bred at all.

Here is an edited quote from Animal-World

WILD CAT / DOMESTIC CAT MIXES
Some wild cat/domestic cat hybrids can be difficult to care for. They can have more "wild" personalities depending on their backgrounds.