Read more about Katma Tui at: Wikipedia

Official Site: DC Comics

Katma Tui is a fictional comic book superhero, an extraterrestrial from the planet Korugar, and a member of the intergalactic police force known as the Green Lantern Corps. She first appeared in DC Comics' Green Lantern (vol. 2) #30 (July 1964), and was created by writer John Broome and artist Gil Kane.

Katma Tui hails from the planet Korugar, in the area of space designated Sector 1417 by the Guardians of the Universe, the extraterrestrials from the planet Oa who oversee and administer the Green Lantern Corps. Korugar was also the home planet of the renegade former Green Lantern Sinestro, who used his Green Lantern powers to enslave his planet, and rule over them as a tyrant, unbeknownst to his Guardian superiors. Tui eventually leads a rebellion against Sinestro, and even testifies against him before the Guardians. Sinestro is imprisoned in the antimatter universe, on the planet Qward. Green Lantern Tomar-Re nominates Tui as Sinestro’s replacement as Green Lantern of Sector 1417, and Tui accepts. The people of Korugar, however, came to view the Green Lantern symbol as one of oppression and pain, and saw Tui as a monster for joining them. Tui is now known among her people as “Katma Tui the Lost”, as seen in Green Lantern Corps: Recharge #1 (November 2005).

In her first mission, which occurred during her probationary period as a Lantern, Tui and Korugaran scientist Imi Kahn destroy a giant space amoeba creature that threatens Korugar. Tui and Kahn fell in love, and Tui decides to leave the Corps. Hal Jordan, the Green Lantern of Earth, uses a ruse in order to persuade her not to.

Tui went on to become an exemplary Green Lantern on a number of adventures, including a prison breakout on the Guardians’ prison planet, her struggle against the telepathic influence of the alien Ffa’rzz the Mocker and her kidnapping by a group of terrorists who mistook her for Hal Jordan’s love Carol Ferris. She is involved in the war against Krona, Nekron, the Weaponers of Qward, and the Anti-Green Lantern Corps. Tui successfully recruits Rot Lop Fan who has no concept of 'color', being sightless. Tui helps defeat the extra-dimensional entity known as Maaldor, who had cut off the Lanterns from the Main Battery on Oa that powered them. She is involved with the seminal event known as Crisis on Infinite Earths and many subsequent conflicts with Sinestro.

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