Kai-Ro was a Tibetan Green Lantern recruited at a very early age to the Justice League Unlimited. Despite his young age, Kai-Ro exuded remarkable maturity and wisdom. He had also been around the universe, and exhibited excellent proficiency with the Power Ring. It is unknown how Kai-Ro received his power ring, though the most likely scenarios is that ring chose him after after the death or retirement of Kyle Rayner or John Stewart, both of who shared duty of Earth's sector of space. He was more serene than most of the JLU. When Superman brought Batman to join the group, Kai-Ro tried to temper down his hotheaded teammates, Big Barda and Warhawk. Also, while others immediately resorted to violence, Kai-Ro advocated more peaceful resolutions. Kai-Ro served the Justice League Unlimited through