Dickens Villain is a term used to describe the antagonists in the works of Charles Dickens. The three most famous villains are Sikes, Fagin, and Heep. Sikes is a violent criminal who appears in the novel 'Oliver Twist'. Fagin is a criminal mastermind who appears in the novel 'Oliver Twist' and is known for his manipulation of children. Heep is a hypocritical villain who appears in the novel 'David Copperfield'. All three of these characters are iconic villains in the works of Charles Dickens.