naming - If we lived in a multiverse, what would our universe most likely then be named?

For instance, we live in the Milky Way Galaxy. We don't just call it "The Galaxy", because we know there are multiple different galaxies. So if we lived in a multiverse, it wouldn't make much sense to keep calling our universe "The Universe".

How are names for things like this created, and what would a likely name for our universe be?