Here is the picture of the musical score that Mark Isham composed for the S2 premiere: Another Season, Another Monster: Monster with a Heart of Gold 
It makes me think that Mr. Gold and Dr. Whale (who could be Frankenstein’s monster) are linked as in Rumpel created the monster of Frankenstein.
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"That’s how you know you’ve really got a home. When you leave it, there’s this feeling that you can’t shake. You just miss it." Neal Cassidy