I'm not giving their first names but their middle names are Peter, Charles and James.
What about: Adam, Alistair, August, Brodie, Benjamin, Ciaran, Cato, Connor, Ché, Darius, David, Ethan, Euan, Felix, Francis, Fionntan, Grayson, George, Harry, Horatio, Hugo, Inigo, Ivor, Justin, Jerome, Kurt, Karl, Lorenzo, Liam, Marcel, Malcolm, Murray, Neville, Noel, Nick, Otis, Oliver, Philip, Pascal, Quentin, Rufus, Raoul, Reed, Richard, Raymond, Shane, Stanley, Seth, Thomas, Trent, Talan, Timothy, Uther, Victor, Veryan, Wilfrid, Winston, Wesley, Xavier, Yves, Zachary