Familiar faces

My face looks familiar to a lot of people. I can't tell you how many people have approached me over the years and asked, "Don't I know you?" Or sometimes they say, "Aren't you So-and-so?" Usually I am merely a look-alike, but occasionally I actually am the person they think I may be. --> Halfway between Portland and Seattle, during my ungrateful train ride, it happened again. A gentleman walked by my seat and asked me, "Do I know you?" My immediate thought was that he had probably never seen me before, considering I was about 3,000 miles from home, but I gave it a chance. I said, "Well, I live in Columbus, Ohio." Interestingly, he said he is from Columbus, too, so I started thinking maybe he's onto something. Looking at his face and thinking, 'This guy does seem kinda familiar,' I asked him if he was ever involved in drum corps. He said no, so I examined his face a little more and said,
"Insomnia?" (Insomnia is a long-gone coffeehouse that was located on High St at 13th, near OSU.)...