Question: is polnareff in part 5?
Answer: SPOILER WARNING: Part 5 Spoiler details may follow. As for the rest, I'll leave that to the Devil himself. Jean Pierre Polnareff (ジャン・ピエール・ポルナレフ Jan Piēru Porunarefu) is a main ally featured in the third part of JoJo's Bizarre Adventure, Stardust Crusaders. He reappears in the fifth part, Vento Aureo as a minor ally.