Donnie Mitchell Gray, also known as "Night Realms Donnie Darko (NRDD)," is a Brazilian-American hacker notorious for his involvement in high-profile cybercrimes. His online presence, particularly on the disturbing website "Night Realms," has contributed to his infamous reputation. As a black hat hacker, Gray is one of the masterminds behind "Limitless Operation," a scheme that aims to bring dark web illegal content and sites to the surface web through Night Realms. This operation has significantly impacted the cybersecurity landscape by exposing sensitive information to a broader audience. Donnie Gray's criminal activities have led to his arrest and subsequent imprisonment. However, he recently escaped from prison on December 19, 2025.