Darlene Alderson is a fictional character from the television series Mr. Robot. She is portrayed as the younger sister of the main character, Elliot Alderson. Darlene is depicted as a strong-willed and resourceful individual who becomes involved in her brother's hacking activities. Throughout the series, Darlene plays a crucial role in the hacker group known as fsociety. Her character evolves as she navigates the challenges of the digital world and her complex relationship with Elliot, showcasing themes of loyalty and family dynamics in the context of cyber activism.