It's no surprise that Pietro is hard to come by in Animal Crossing: New Horizons, but just how rare he is – and why – is a different question entirely. Pietro debuted in Animal Crossing: New Leaf, and has appeared in every Animal Crossing game since, including spinoffs like Happy Home Designer and Pocket Camp. A goat villager with a clown-inspired look, Pietro is best known for his unique appearance. However, his Smug personality and cartoonish catchphrase make Pietro Animal Crossing's most desirable villager.
https://screenrant.com/animal-crossing-pietro-rare-why-villager-new-horizons/