Peanuts also suffered from this after a point - how many jokes can you make about kids without it stagnating? Schulz's solution was to add more characters, but none of them are beloved like the original cast. Sure the artwork is great, but there's more to comics. read more
While different audiences may like each strip for personal and subjective reasons, Calvin and Hobbes is objectively better for two reasons (at least): Exploration of form and narrative structure Bill Watterson constantly tried to the take the comic form to higher levels with the constraints of newspaper editors. read more