User blog comment:WillTheArthurandBusterFan5050/Which "Real" Characters Do You Think Should Appear on Arthur?/@comment-25498718-20150916014459/@comment-24669562-20150916054927

You know, I was kind of thinking the same thing. I thought of adding Madonna to the list but decided against it. So you did it for me.

I also kind of thought of Paul McCartney being on Arthur.