Willy Wonka & the Chocolate Factory change, he buys another Wonka Bar for Grandpa Joe. Walking home, as Charlie hears people reading the newspapers; revealing that the Paraguayan millionaire's ticket is a fake one, he opens the Wonka Bar and finds the fifth golden ticket. While rushing home, he encounters the same man seen whispering to the other winners, who introduces himself as Slugworth and offers a reward for a sample of Wonka's latest creation, the Everlasting Gobstopper. Returning home with the Golden Ticket, Charlie chooses Grandpa Joe as his chaperone. The next day, Wonka greets the ticket winners and leads them inside where each signs
Willy Wonka & the Chocolate Factory to buy the rights to the book and finance the picture for the purpose of promoting a new Quaker Oats "Wonka Bar". David L. Wolper and Roald Dahl agreed that the film would be a children's musical, and that Dahl himself would write the screenplay. However, Wolper changed the title to "Willy Wonka and the Chocolate Factory". Screenwriter David Seltzer conceived a gimmick exclusively for the film that had Wonka quoting numerous literary sources, such as Arthur O'Shaughnessy's "Ode", Oscar Wilde's "The Importance of Being Earnest", Samuel Taylor Coleridge's "The Rime of the Ancient Mariner" and William Shakespeare's "The Merchant