The Guardians were first introduced when a team of Lanterns headed by Sinestro brought Hal Jordan to Oa for their judgement as to whether or not he would be allowed to be a Lantern. Though many are skeptical, remarking on some of humanity's many faults; pride, rudeness, and apparently a bad smell, Ganthet stands up for him, pointing out that the ring would never under any circumstance placed itself upon his hand unless he was worthy.