Lisamoo
Lisamoo is a fictional character from the animated television series "The Simpsons," created by Matt Groening. She is a recurring character who first appeared in the episode "Homer's Enemy" in 1990. Lisamoo is a mooing sheepdog who is often seen as a pet or companion to the Simpson family, particularly to Lisa Simpson. She is known for her distinctive mooing sound, which is a combination of a sheep's bleat and a dog's bark. Lisamoo is often depicted as being mischievous and playful, and she has a tendency to cause trouble for the family. Despite her antics, Lisamoo is generally well-liked by the Simpson family and is often seen as a source of amusement and entertainment. She has appeared in numerous episodes of "The Simpsons" and has become a fan favorite among viewers of the show. Lisamoo is voiced by Hank Azaria, who also voices several other characters in the series.