The blue Villager represents Daisy Mae, a young female anthropomorphic boar who wears blue overalls.
The stage represents the player's island in Animal Crossing: New Horizons which first features Daisy Mae as a special character.
The Clear Peach minion's frequent Vegetables and the Villager's favored down aerial attacks feature turnips, referencing Daisy Mae's occupation of selling turnips.
Other trivia:
This spirit's Support type and Lip's Stick Equipped ability reference Daisy Mae's role in Animal Crossing: New Horizons by selling turnips to the player, a plant-based item.