Dr. Impossible was thought by some to be the brother of Scott Free, also known as Mr. Miracle, from Apokolips. Other sources said that he was merely a former henchman of the Penguin who had gotten ahold of a stolen Father Box.
- Fatherbox: It is capable of creating a "Hush Tube", a silent equivalent to the Boom Tube
- Aero Disks: Discs that change size dependent of the users foot size and allow them to stick to surfaces and primarily to fly.
- Justice League of America (vol.#2) -"The Tornado's Path"
- 12 Appearances of Doctor Impossible (New Earth)
- 4 Images featuring Doctor Impossible (New Earth)
- Quotations by or about Doctor Impossible (New Earth)
- Character Gallery: Doctor Impossible (New Earth)
This character is or was primarily an enemy of the Justice League, in any of its various incarnations. This template will categorize articles that include it into the category "Justice League Villains."