David Rain is a fictional character from the book series "The Last Dragon Chronicles" by Chris d'Lacey. He is a young man who becomes involved in a world of dragons and magic. Throughout the series, David discovers his unique abilities and his connection to these mythical creatures. In the story, David's journey is intertwined with themes of friendship, responsibility, and the importance of nature. He faces various challenges and learns valuable lessons as he navigates his role in protecting the dragons and their environment. David's character development is central to the narrative, making him a relatable figure for readers.