The Bewhiskered Beast is a 6-letter term that refers to the WALRUS. The WALRUS is a large marine mammal with two long tusks and whiskers, found in the Arctic Ocean and subarctic regions of the Northern Hemisphere. It is the only living species in the family Odobenidae and genus Odobenus. Walruses are known for their large size, tusks, and thick layers of blubber. They feed on mollusks, crustaceans, and other invertebrates.