Who is dub from the call of the wild?

Dub is a character in Jack London's novel "The Call of the Wild." He is a dog who accompanies Buck, the protagonist, on his journey in the harsh wilderness of the Yukon during the Gold Rush. Dub is depicted as a gentle and friendly dog, but he is also somewhat clumsy and inexperienced, struggling to adapt to the brutal conditions of the wild. His character adds depth to the themes of survival and the dynamics of pack life in the story.