Pinkie Brown is a fictional character from the novel "Brighton Rock," written by Graham Greene. He is a young, ambitious gangster in 1930s England, known for his ruthless nature and violent tendencies. Pinkie's character embodies themes of morality, evil, and the struggle for power within a corrupt society. In the story, Pinkie becomes involved in a series of criminal activities, including murder, as he seeks to establish his dominance in the underworld of Brighton. His interactions with other characters, such as Rose and Ida Arnold, highlight his complex personality and the consequences of his actions.