The Indigo Tribe is a fictional organization that appears in DC Comics publications, primarily those of the Green Lantern series. In the DC Universe, it is one of the seven major groups known as the Corps of the emotional spectrum. The group was created by comic book writer Geoff Johns and comic book artist Ethan Van Sciver. It made its debut in the issue #25 of Green Lantern (vol. 4) in December 2007. Background The Indigo Tribe is one of the nine Corps of the emotional spectrum within the DC Universe setting. Each "Emotional Spectrum" Corps has both a corresponding color of the rainbow and an emotional theme attached to it, with several of the Corps (e.g. the Green Lantern Corps and Red Lantern Corps) being named after their respective color; the Indigo Tribe, which is one of the Corps named after their associated color, uses indigo-light-powered rings and staffs. Its emotional theme is compassion. The group first appeared in issue #25 of Green Lantern (vol. 4), published in December 2007, where it is described as having a reclusive nature that makes it the most elusive group among its peers; the Tribe's stated purpose is to spread goodwill throughout the universe. In a March 2009 interview with Newsarama, creator Geoff Johns said that the Indigo Tribe would be introduced within the upcoming Blackest Night series. "I've been very careful with Indigo because they're not what everyone expects, and they act very differently than what everyone expects." In April 2009, artist Ed Benes posted the artwork for the companion mini-series Blackest Night: Tales of the Corps, which features a member from each of the Seven Corps; the solicitation copy announced "the first appearance of the mysterious Indigo, leader of the Indigo Tribe!" Johns later revealed the leader's name to be Indigo-1. The June 2009 Blackest Night #0 promotional material describes the group as being unknown to the DC Universe at large. The Indigo Tribe made its first extended appearance in the July 2009 issue Blackest Night: Tales of the Corps #1. Ethan Van Sciver, who created the initial design for the Indigo Tribe, said that members of the group abandon everything and devote themselves to compassion. Their uniforms have a basic, hand-made appearance, their bodies are adorned with the Indigo Lantern symbol written in body paint, and they carry carved, lantern-like staffs with them. Van Sciver also designed the staff, which