Penn or Pitt is a reference to two famous actors, Sean Penn and Brad Pitt. Both are highly acclaimed actors who have won numerous awards for their work in film and television. Penn is best known for his roles in films such as Mystic River, Milk, and Dead Man Walking, while Pitt is known for his roles in films such as Fight Club, The Curious Case of Benjamin Button, and Moneyball. Both actors have had long and successful careers in Hollywood.