[Source] |
“ | And now that I'm a doctor, I think I'II perform some surgery. | „ |
~ Doctor Destiny |
John Dee or also known as his alter ego, is an antagonist of the Justice League, and a minor antagonist in Justice League Unlimited.
History[]

Jonh Dee in his real form
John is a low-ranking LexCorp employee who was found smuggling weapons in a company warehouse, and after the Justice League scan, he was arrested and sent to Striker Islands, where he volunteered as a guinea pig in hope at a machine called PES in an experimental project called Mateorioptikon. Although he had a relationship with prison officers and prison guards, and he was a model prisoner, he was nonetheless complex and inferior and had a desire to defeat the Justice League, and win the admiration of every supervillain, like Lex Luther, Joker and others villains. Then when his probation was denied, his wife Penny soon tells him that she had found someone else.
With that, and after the prison breakout riot, Dee then took the opportunity and entered the laboratory, and underwent the total ESP machine experiment, at first it ended up leading to a catatonic state, but when Dee woke up the experiment gave him extrasensory powers and he escaped from prison and went after his wife to take revenge on her.
Dee then invades Penny's dreams and calls herself Doctor Destiny and the mental torture that ends up killing her. After that, Doctor Destiny goes after the Justice League, and invades their dreams and forces them to face their worst fears and leaves them to die. However J'onn J'onnz manages to go and save them by facing the nightmare Doctor Destiny. After that, Batman tries to go after Dee to stop him, Batman soon manages to track him down. In the same deposit that Dee had been caught before; Dee tries to attack him using mental powers in Batman.
However, Batman reacts to Dee's powers, so Dee attacks him using a powerful sedative. But Batman defeats him by injecting himself with the sedative.
After that, Dee is institutionalized, and he is trapped within the dream world. Dee also made a very brief appearance in Justice League Unlimited, although he did not explain how he broke free from madness, and instead of appearing in his human form, he appears in his monstrous form of fear, as an ally of Lex Luthor. He was soon after killed during a Darkseid explosion.