What is the name of the boy who wins a golden ticket to visit the chocolate factory in the book 'Charlie and the Chocolate Factory'?

Who is the eccentric owner of the chocolate factory in the book 'Charlie and the Chocolate Factory'?

Which of the following children turns into a giant blueberry after chewing an experimental gum in 'Charlie and the Chocolate Factory'?

What mysterious candy-making ingredient does Willy Wonka use in his Everlasting Gobstoppers in 'Charlie and the Chocolate Factory'?

What is the name of the Oompa-Loompa song that is sung after each child's misadventure in 'Charlie and the Chocolate Factory'?