Duff Anderson is a fictional character from the book series "The Duffy's World" by author John Smith. He is known for his adventurous spirit and curiosity, often finding himself in various escapades throughout the stories. Duff is portrayed as a relatable character, appealing to young readers with his humor and determination. In the series, Duff's interactions with his friends and family highlight themes of friendship and resilience. The stories often take place in a vibrant setting, showcasing Duff's ability to navigate challenges while learning valuable life lessons. His character serves as a positive role model for children.