Bob Cratchit is a fictional character from Charles Dickens' novella, "A Christmas Carol." He works as a clerk for Ebenezer Scrooge, who is known for his miserly ways. Despite his low salary, Bob is a devoted family man, caring deeply for his wife and children. Bob's character represents the struggles of the working class during the Victorian era. He faces financial hardships but remains optimistic and loving, especially towards his ill son, Tiny Tim. Bob's kindness and resilience highlight the themes of compassion and the importance of family in the story.