Show me a completely original cocktail using rum.

Based on the listed cocktails, it appears they all incorporate rum but vary in their combinations and presentations, potentially offering something that feels original to you. While each cocktail has its own twist on traditional rum beverages, whether through unique ingredient combinations or preparation methods, the selection provided doesn't suggest a cocktail that is completely original or unknown to the cocktail community. However, among the given options, there might be a cocktail that you haven't tried before or that presents a unique take on a rum drink. The top-rated cocktail from the list has a particularly high score, indicating that it's well-liked by those who've tried it. It combines classic ingredients in a refreshing and straightforward way. If you're looking for something novel to your personal taste and experience, you might find one of these options original in that sense.