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Muttley, the famous cartoon mutt, is known for his distinctive laugh and cowardly personality. Voiced by the talented Billy West, Muttley has appeared in numerous animated television shows and films, including Hanna-Barbera's "Wacky Races" and "Dastardly and Muttley in Their Flying Machines." With his cunning nature and hapless misadventures, Muttley has become a beloved character among cartoon enthusiasts of all ages.