Prometheus is a name used by multiple supervillains appearing in comic books published by DC Comics. Created by writer Grant Morrison and penciller Arnie Jorgensen, the most recognized version first appeared in New Year's Evil: Prometheus. Commonly an adversary of the Justice League and a villainous foil personality to Batman, Prometheus would serve as an enemy to superheroes including Batman, Green Arrow and Midnighter.

Killer Moth is a supervillain appearing in comic books published by DC Comics, usually as an adversary and dedicated original foil personality of Batman. Like Batman, he has no superpowers and relies on his technical equipment, including a Mothmobile and numerous gimmicks. Killer Moth originally wore a garish costume of purple and green striped fabric, with an orange cape and moth-like mask. In Underworld Unleashed, Killer Moth is transformed into the monster Charaxes with superhuman abilities.