What is the name of the five-year-old boy who worships Denny?

The five-year-old boy who worships Denny in "The Art of Racing in the Rain" is named Enzo. Enzo serves as the narrator of the story and is not only Denny’s dog but also a character who observes and comments on the events of Denny's life. Throughout the novel, Enzo shares a deep bond with Denny, displaying admiration and loyalty, which reflects the child's admiration for his father figure. This connection is central to the narrative as Enzo’s perspective highlights themes of love, loyalty, and the complexities of human relationships, especially in his view of Denny as a devoted father. The other names listed do not correlate with the specific description of the young boy who idolizes Denny.