Quolls are marsupials native to Tasmania and Australia, though very few live in the wild in Australia due to decimation by foxes and feral cats. Perhaps the cutest pics are from Craig Borrow of the Herald Sun:
They may look cute, but they are related to the Tasmanian devil, and adults are fierce predators of small mammals.
Spotted or tiger quolls:
Western quoll (including babies in pouch: