👉 Mortersheen is a fictional character from the animated television series "The Simpsons." Created by Matt Groening, Mortersheen first appeared in the episode "The Muppets" in 1987. The character is a mischievous dog who loves to play pranks on the Simpson family. Mortersheen's personality is often characterized as being full of energy and enthusiasm, as well as being very playful and imaginative. He is known for his love of
