Lol! It really is! Huh... I've never been to a store that sold them in pairs like that. Perhaps a male and a female will be okay

but I've always understood that gouramis should be kept singly. If you can find just a male
DG then he should do really well with a male fancy guppy; they're nice companion fish with non-aggressive types. That last list you made sounds great!
*Maybe one more guppy... I know my gups like swimming together, so on second-thought I wonder if your gup would be happier as a pair.