are a race of humanoids who were wiped out by a pandemic brought to their world by the tyrant Mongul. Dheronians The Dheronians are a race of white-eyed, white-skinned humanoids introduced in the Earth One continuity. Hailing from Dheron, the fifth world of the Rao star system, the Dheronians were locked in an ongoing war for resources with the neighboring world of Krypton and had a hand in the planet's fate. As they share the same star as Krypton, their physiology functions in much the same way with only several notable differences; absorbing energy from foreign stars to exhibit super strength and invulnerability. While still strong, their technology is still vulnerable to Krypton's. Dhorians The Dhorians of Dhor are one of four technologically advanced and constantly at war spacefaring races native to the Antares system. The infamous Kanjar Ro is Dhorian. Dhorians have large insectlike compound eyes and prominently pointed noses. Diibs The Diibs are a race of massive and nearly indestructible denizens of Diibworld, home of L.E.G.I.O.N. member Bertron Diib. Djinn The Djinn are race of alien warriors who tried to invade Oa led by Kantuu. Doda The Doda are a race of aliens in the 30th century. Dominators The Dominators of the Dominion are a race of conquerors who destroy what they cannot dominate. Their mastery of advanced science, specifically the "metagene" rivals the talents of the Psions. Dokris The Dokris are a race of green-skinned aliens with advanced time travel technology; they altered Earth's past to invade and conquer the planet in the year 2287. They were defeated by Kid Flash (Wally West). Draal The Draal are alien invaders of Sector 3515. Dromedanians The Dromedanians a camel-like humanoid race native to the 30th Century. Captain Brakta, an ally of the Legion of Super-Heroes, hails from Dromedania. Dryad The Dryads are a race of silicon-based lifeforms, represented by Strata and Blok. Duomalians The Duomalians are a race of gray-skinned humanoids who inhabit the "Mirror World", a fourth dimensional universe also inhabited by the Amazonlike Orinocas. Duomal was discovered and renamed by Giovanni Zatara, in honor of its co-rulers Queen Duora and Queen Mulano. Duomal was originally known as Thrule. Durlans The Durlans are an infamous and much-feared race of xenophobic shapeshifters native to the planet Durla. Chameleon Boy and Chameleon Girl of the Legion of Super-Heroes are their representatives. The Legion of Super-Heroes' financier R. J. Brande was