How is Uncle Mo described in the novel, The Wanderer?

Uncle Mo is described as chubby. He loves to lounge around in the sun without a shirt on, getting a tan. Mo also has a dark, violent side that often comes out around his son, Cody. Cody feels very uncomfortable around his father, as if he can never measure up to him. Uncle Mo has a deep bellowing voice, which he uses to shout orders at the kids, and violent temper