Unlike her brother, Darlene is outwardly cynical and jaded. This does not make her completely emotionless, however. She genuinely cares for her brother and maintained a healthy relationship with Cisco until his untimely assassination.
Elliot is an introverted, socially awkward person who holds in a lot of anger, mainly towards the society that he is unable to participate in. Elliot Alderson is a cybersecurity engineer and vigilante hacker who lives in New York City.
In Jungian terms, Mr. Robot is Elliot's shadow side. Unlike Elliot himself, he is not afraid to voice his opinion of the society in which they live, to the point of influencing Elliot to start a global revolution, often without the latter's knowledge or consent.