Describe Mr. Pignati's best friend.

Mr. Pignati is so lonely from missing his dead wife, Conchetta, that he befriends Bobo, a baboon, at the local zoo.  Bobo is an ugly, mean baboon, but Mr. Pignati finds him endearing and treats Bobo like a child.  He offers Bobo peanuts when he goes to visit him and considers Bobo his best friend.  In addition to Bobo, Mr. Pignati also finds friends in his neighbors, John and Lorraine, and takes them to see Bobo at the zoo.   Mr. Pignati is so lonely that, in desperation, he sadly turns to a caged up baboon to provide him the company he needs.  Like the caged baboon, Mr. Pignati is also “imprisoned” by his loneliness. Without a wife or children, the only thing Mr. Pignati has is a huge collection of ceramic pigs to keep him occupied.  However, Bobo, in some weird way, makes Mr. Pignati happy, perhaps because they are both missing out on the lives they both really want or miss.