Nobuo's uncle is a minor character.
As the uncle of Nobuo, he took in the boy when his parents had died. Later, Nobuo found a stray dog and named it Don. Don fought bulls for Nobuo to gather money, but the uncle didn't like that, and wanted Nobuo to be with people. Nobuo continued insisting he only needed Don. Later, the found a white saluki and took her in. Soon after he had a fight with Nobuo what to do with Nobuo's life. Don came in and Nobuo hid behind the dog. But Don turned on him and through him to his uncle. Don escaped with the saluki.