Obsidian is the codename of Todd Rice, who is the biological son of Alan Scott and Rose Canton, respectively the Golden Age superhero Green Lantern and villain Thorn. Todd was raised in an abusive adoptive home in Milwaukee, Wisconsin. He finds out in his late teens that he has a twin sister, Jennie-Lynn Hayden, alias Jade. The two meet, discover they both have superpowers and decide to follow in Alan Scott's footsteps and become heroes. The duo begin to operate under the assumption that Scott is their father. Although not certain of this lineage at first, the two eventually learn for certain that they are indeed Green Lantern's children.