What are some of the most enduringly popular newspaper comic strips?

Some of the most enduringly popular strips include *Peanuts* by Charles Schulz, *Garfield* by Jim Davis, *Calvin and Hobbes* by Bill Watterson, *Blondie* by Chic Young, *Hi and Lois* by Mort Walker, *Doonesbury* by Garry Trudeau, *Dilbert* by Scott Adams, *The Phantom* by Lee Falk, *Beetle Bailey* by Mort Walker, and *Pogo* by Walt Kelly. Their longevity is due to relatable characters, consistent quality, and ability to adapt to changing times.