Willy Wonka & the Chocolate Factory too much emphasis on Willy Wonka and not enough on Charlie", as well as the casting of Gene Wilder instead of Spike Milligan. Dahl was also "infuriated" by the deviations in the plot Seltzer devised in his draft of the screenplay, including the conversion of Slugworth, a minor character in the book, into a spy (so that the film could have a villain) and the "fizzy lifting drinks" scene along with music other than the original Oompa Loompa compositions (including "Pure Imagination" and "The Candy Man"), and the ending dialogue for the movie. In 1996, Dahl's second wife, Felicity, commented
The Willy Wonka Candy Company film version in exchange for the candy bar tie-in. Quaker, who had previous experience in the film industry, bought the rights to the book and financed the picture for the purpose of promoting their new "Wonka Bar". The name of Dahl's "Charlie and the Chocolate Factory" however was renamed to "Willy Wonka & the Chocolate Factory" for promotion purposes. The new brand was produced by Chicago-based company Breaker Confections (a subsidiary of Quaker Oats), which in 1975 was acquired by Sunmark Corporation of Saint Louis, Missouri. The original Wonka Bars never saw store shelves due to factory production problems prior