Who are the characters that are in the book the chocolate touch?

In "The Chocolate Touch" by Patrick Skene Catling, the main character is a boy named John Midas, who loves chocolate. Other significant characters include John's parents, who are concerned about his obsession, and his friend, Sarah, who challenges his behavior. The shopkeeper, Mr. Midas, plays a pivotal role in introducing John to the magical chocolate that changes his life. Together, these characters contribute to the story's exploration of the consequences of greed and desire.