👉 Marvin is a fictional character from the animated television series "The Simpsons." He is a dog who lives in Springfield and is known for his mischievous antics, particularly with his "marbles," which he often uses to play pranks on others. Despite being portrayed as an anthropomorphic dog, Marvin has a human-like personality and is frequently accompanied by Lisa Simpson, Homer Simpson's wife, and Bart Simpson, their son. His personality is characterized by his love of puzzles and games, as