Yeah, I think Columbo is so popular because he's so authentic . . . authentic in the sense that like every ordinary person, he is superior to everyone else in just one way: He can solve murders. Some of us can repair cars better than anyone in the neighborhood or grow tomatoes better than anyone else in town. So many detectives are depicted as geniuses in every respect--not our man Columbo. But the guy can observe clues and piece it all together!