Who is Uncle Hal from Growing Up and what is their importance? Growing_Up_(autobiography) English & Literature Uncle Hal | Growing Up

Russell's Uncle Hal, known as "Colonel", is a braggart who likes to talk about the big business deals he's got in the works. None of his deals ever go through. Hal borrows $75 from his sister Lucy to start a lumber business, promising to help her move to Baltimore and live on the profits. Neither the business nor any profits ever materialize. Hal sends Lucy only $10 when she asks for her money back.