In the thirteenth episode of Jackie On:, Jackie discusses some of the coolest superheroes created by DC (Detective Comics) including: Deadman, Red Robin, The Question, Doctor Occult, John Constantine, the Birds of Prey, Matter-Eater Lad, Crimson Avenger, Hawk and Dove, and the Metal Men.

Strap in for a superhero flight!

The only sources were Jackie's brain, consultations with her father, and comics that feature the aforementioned characters.