Many years ago I kept a picture of John Kerry on my desk. Before you get weirded out, I didn't actually display the picture---it lived in a pile of other papers. And the only reason I had it at all was to collect photos of other people/things that look like him. Whenever I encountered a John Kerry doppelgnger, I'd print out a picture and tape it on. It got to be quite the collection.
Here are two people he looks like.
and the composer-guy from Sesame Street: