The Almeraci are ruled by the House of the Blood Royale, a matriarchy of superpowered monarchs who maintain their bloodline and psionic status through selective breeding.
The Almeraci choose mates through ceremonial gladiatorial competitions; whichever male can defeat a prospective female in battle earns her hand in marriage.
One of the Andromedans named Karb-Brak was exiled to Earth because he developed an allergy to superhuman metabolisms, he took the human identity of construction worker Andrew Meda.
The Astonians are a minor alien race under a once dying star saved by the Blue Lantern Saint Walker upon facing extinction.
The Cthistosians are the presumed name of a species of red skinned humanoid amphibians that apparently secreted an aroma that was unpleasant to humans.
A peaceful and educated species, the Czarnians were all but wiped out when one of their own - Lobo - decimated their homeworld of Czarnia as part of a "high school science experiment" gone wrong.
[43] While their attributes differ between continuities, Czarnians - by way of Lobo - are mostly depicted as exhibiting super strength and durability coupled with accelerated healing.
[48][49] 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.
The Dyrlians of Dyrlia are an orange-skinned humanoid alien race who sent their genetically engineered savior the "Star-Child" to Earth, so that he could be raised by Superman and Supergirl.
[80] The Halla's are a race of green-skinned aliens from Sector 2814 who served as enforcers for the Oans in the transition period between the Manhunters and the Green Lantern Corps.
[84] The Headmen are alien leaders whom often refer themselves to their psychic abilities of superior intelligence and enhanced telepathy; they hail from the Vegan star system.
The Junoans are protected by an Atlantean exile named Zarl Vorne who gained Kryptonian-equivalent abilities when in close proximity to the asteroid.
They are most notable for giving the Ranzz siblings - Garth, Ayla, and Mekt - their electric abilities after they crash-landed on Korbal and tried to recharge their ship using the Beasts' power, being charged with their energy instead.
[114] The Llarans of Llar are a reptilian humanoid species and one of four technologically advanced and constantly at war spacefaring races native to the Antares system.
[15] The Lunarians of Planet Prime are a race of yellow-skinned humanoids who lived in a hollow world complete with an artificial sun, inside of Earth's moon Luna.
Mongul was deposed during a revolution led by an ancient mystic known as the Arkymandryte; he fled the theological coup with a small trusted crew whom he later killed.
[124] The Monitors are a group of ancient cosmic beings from a vast alien civilization who ruled the DC Multiverse for billions of years.
The New Gods are a virtually immortal race of deified humanoids originating from a plane of existence known as the Fourth World and centered on the conflicting planets of New Genesis and Apokolips.
[139] Created and trained by DeSaad - often by torturing and reconditioning captured victims - Parademons typically act in Legions with strength in numbers, and they are often accompanied by gigantic dogs called Hounds.
[140] In the New 52 (a 2011 reboot of the DC Comics universe), the Parademons are used to attack Earth, first seen encountering both Green Lantern and Batman in Gotham City.
[141] It is revealed in new continuum that the Parademon hordes are either remolded lifeforms or processed corpses that Darkseid and his Elite have harvested from the various worlds and realities they've conquered.
[142] The New 52 era Red Tornado of Earth-Two discovered that 'K'li, a former Tamaranean Fury of Darkseid, was creating a special class of Berserker Parademons from the remodeled remains of dead or kidnapped humans, repurposing them through the usage of nightmarish Apokoliptian technologies.
[125] The Qarians of Qaria are aquatic humanoids who closely resemble humans, but have purple coral-like hair and gills on the backs of their necks.
They have an ancient non-aggression pact with the Oans and are the creators of the scarab that through events outside of Reach's control, became bonded to Jaime Reyes, who became the third Blue Beetle.
[172] The Sornaii are an apparently multiversally aware alien race who seem to serve a role similar to that of the Monitors, but on a lesser scale.
Gravity-defying wing harnesses made of an exotic material known as "Nth Metal" allow the Thanagarian elite, military and law enforcement to experience a unique form of powered flight.
They are notably represented by Element Lad (Jan Arrah) of the Legion of Super-Heroes, who is also the last survivor of the species after they were killed by the space pirate Roxxas for refusing to use their abilities to his advantage.
However, their ghosts return to convince Phantom Girl, the only one capable of seeing them, to stop her mother Winema from signing a treaty that would enable businessman Xavier Ro to strip-mine Trom for resources.
In their natural forms, the Tybaltians are squat green-skinned dwarf-like creatures with enlarged craniums; they have exhibited physical strength on par with Superman.
The Uranians, led by Uvo the warlord of Uranus, sent a small space armada in a failed attempt to conquer the Earth and steal uranium, a radioactive ore which is abundantly present in the outer planets, only to be defeated by Wonder Woman.