Charles John Huffam Dickens was an English writer and social critic. He is known for creating some of the world's best-known fictional characters and is regarded as one of the greatest novelists of the Victorian era. His works, such as "Oliver Twist," "A Christmas Carol," "Great Expectations," and "David Copperfield," often depicted the struggles of the poor and the injustices of society. Dickens' writing style is characterized by his vivid and memorable characters, intricate plots, and his ability to capture the social and moral issues of his time. His influence on literature and social reform continues to be felt to this day.