Tom and Jerry: Willy Wonka and the Chocolate Factory Charlie stops Slugworth. After this, Charlie and Grandpa Joe confront Wonka on the end of the tour. Wonka coldly explains that they violated the contract by stealing Fizzy Lifting Drinks and allowing Tom and Jerry into the factory and therefore will receive nothing. Infuriated at this, Grandpa Joe attempts to protest but Wonka angrily demands them all to leave at once. Grandpa Joe then suggests to Charlie that he should give Slugworth the Gobstopper, but Charlie returns the candy to Wonka. Because of this, Wonka declares Charlie the winner. He reveals that Slugworth is really "Mr. Wilkinson", an employee of
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