Still stuck on most of the squirrels (Marshal, Filbert, and Static) though I was thinking Tasha might be a good mirror choice for Static, and then Genji. But I think the others are good
Tahsa is the only female squirrel in the game with a "low" social level like Static (they both do the royal wave when you leave their house and don't react to all the players reactions), so I think she'd be a good match.
Here's a quick guide to social levels at this link and all the personality subtypes at this link.