I have a doppelganger...

There is a theory that everyone has a twin somewhere in the world, a doppelganger if you will. Someone who walks, talks and sounds just like you. Now for most, this person could be anywhere in the world, after all it's a pretty big place and there is room enough on the planet for two people to look alike, take twins for example. But this isn't a theory about twins, this is a completely different person who looks just like you. In my case it seems, this double is walking around St. John's.