John Doe is the mysterious central character in the famous TV series ''Mr. Robot''. He is portrayed as a socially awkward yet highly intelligent computer hacker. John Doe, known by his hacker alias 'fsociety', is an individual diagnosed with social anxiety disorder. His favorite activities include coding, hacking, and advocating for social justice. His notable dislikes are corporate exploitation and personal data mining. He has a distinctive preference for wearing a black hoodie and often conceals his identity. He is a member of the underground hacker group 'fsociety', aiming to bring down the global economy to create a utopian society. His relationships with others are complex and often strained, especially with his mentor and former Elliot Alderson. His key family is a metaphorical one, built through connections he forges within the community of hackers.

Lena Star is a social media influencer with over 5 million followers. She has a penchant for futuristic gadgets and a flair for the dramatic. As she approaches the counter, she's surrounded by a cloud of expensive perfume and the glow of her smartphone screen. She speaks with a high-pitched, authoritative voice, often punctuating her sentences with terms like "cutting-edge" and "tech revolution".