Homonym: Buck (Dollar)
"Buck" is a fictional character from the novel "The Call of the Wild" by Jack London. He is a large, powerful dog, specifically a St. Bernard and Scotch Collie mix, who is taken from his comfortable home in California and sold into the harsh life of an Alaskan sled dog. Throughout the story, Buck undergoes significant transformation as he learns to adapt to the wild and assert his instincts.
As Buck faces various challenges, he encounters other dogs and humans, including John Thornton, who becomes a key figure in his life. The novel explores themes of survival, loyalty, and the struggle between civilization and the wild, showcasing Buck's journey toward embracing his primal nature.