League episode "Only a Dream", this version was a low-level LexCorp employee and small-time crook who was incarcerated in Stryker's Prison for guarding a supply of smuggled weapons. He volunteers to be a guinea pig for a doctor's experiments with the Materioptikon, a machine that gives people ESP abilities. After learning his parole request failed to go through and his wife Penny (voiced by Fairuza Balk) left him for another man, Dee abuses the Materioptikon during a prison riot, gaining telepathy and leaving to attack people in their dreams. Using his abilities to manipulate his appearance and taking the name "Doctor Destiny", Dee kills Penny before trapping most of the Justice League in their worst nightmares, though Martian Manhunter rescues his fellow Leaguers while a sleep-deprived Batman eventually tracks down Destiny and confronts him. In the ensuing struggle, Destiny accidentally injects himself with a powerful sedative, leaving him in a catatonic state as he is re-incarcerated at Stryker's. Destiny makes non-speaking appearances in Justice League Unlimited, having apparently recovered, gained the ability to assume his nightmare form in reality, and joined Gorilla Grodd's Secret Society as of the episode "I Am Legion". Prior to and during the episode "Alive!", Lex Luthor takes control of the Society, but Grodd mounts a mutiny. Destiny sides with the former, but is killed off-screen by Darkseid along with most of the Society. Dr. John Deegan appears in the Arrowverse crossover "Elseworlds", portrayed by Jeremy Davies. This version is an Arkham Asylum psychiatrist who believes in augmenting patients to help them achieve their peak potential, though his colleagues consider him mad and his methods extreme. The multiverse-traveling Monitor approaches Deegan, commends him on his "vision", and gives him the Book of Destiny to rewrite reality as he sees fit. Deegan attempts to make himself a superhero, but inadvertently switches Barry Allen and Oliver Queen's lives instead. After the heroes convince their respective teams of the changes and learn of Deegan, they travel to Arkham to confront him. While they manage to secure the Book of Destiny, Deegan escapes. Following this, the Monitor takes the book back and returns it to Deegan, who successfully alters reality and transforms himself into a black-suited Superman (portrayed by Tyler Hoechlin). Despite having been turned into powerless criminals, Allen and Queen recruit allies from Earth-38 to help them stop Deegan. With the Monitor's help, Queen succeeds in separating Deegan from