The Green Lantern mythos is one of the most developed and complex corners of any comic book universe. Since the Golden Age, the mantle has become one of the most shared superhero identities in existence, numbering more than 3,000 throughout the universe. Throughout that time, the many heroes to don the mantle have contributed to one of the best histories of any superhero in comics.
Source：https://www.cbr.com/green-lantern-vital-lore/
