Tuebeen is a member of the Green Lantern Corps and he protects Space Sector 0918. Hailing from an emotionless race, Tuebeen is often asked by other Corpsmen to investigate gruesome and serious crimes too grotesque for them to handle. Tuebeen has been instrumental in gathering evidence at crime scenes and works very closely with Malet Dasim to build cases against the worst criminals the universe has seen. He is the most trusted Green Lantern among the Guardians.