Grandpa Joe is the oldest and wisest of the characters in the novel. However, like Charlie and Mr. Wonka, he remains young at heart. His youthful exuberance makes him the perfect person to escort Charlie to the chocolate factory.Grandpa Joe is also Charlie’s best friend. Every evening when Charlie spends time with his grandparents, Grandpa Joe entertains Charlie with a story. It is Grandpa Joe who initially tells Charlie all about the history of Mr. Wonka and his vaunted chocolate factory, and Grandpa Joe urges Charlie to have faith that he can find a golden ticket.