New York Comic Con cosplay attendee in his costume, as Red Lantern.
The Red Lantern Corps is a fictional organization, functioning as anti-heroes throughout much of the DC Universe, appearing in comics published by DC Comics.
Their power is derived from the emotional spectrum. The prophecy describes a War of Light among seven Corps powered by the lights of the emotional spectrum. Part of the prophecy reads: "A force of hate will rise as the Red lantern is anointed in blood, the bearer's rage unfiltered and unchecked."
In Final Crisis: Rage of the Red Lanterns, Atrocitus is shown in a flashback as having apparently formed a central power battery by using the blood of the other Inversions in blood magic rituals. The battery stands before a great lake of blood from which he forms his red power ring (crystallized by his anger), as well as other rings and batteries used to form the Red Lantern Corps. Harnessing the red light of rage, he sends his rings out into the universe; however, upon accepting the rings,
Cosplay, a contraction of the words costume play, is a performance art in which participants called cosplayers wear costumes and fashion accessories to represent a specific character.
Cosplayers often interact to create a subculture and a broader use of the term "cosplay" applies to any costumed role-playing in venues apart from the stage. Any entity that lends itself to dramatic interpretation may be taken up as a subject and it is not unusual to see genders switched. Favorite sources include manga and anime, comic books and cartoons, video games, and live-action films and television series.