Kree

Biography
The Kree are a scientifically and technologically advanced militaristic race of blue-skinned humanoids from the planet Hala. One of the most technologically efficient races in the galaxy, the Kree have special emphasis placed on their skilled in genetic engineering and are known to the people of Earth as the progenitors of Inhumans. They are a powerful force in the galaxy that control a vast empire characterized by its militaristic lifestyle, advanced technology, and arrogance.

Characteristic Traits
Enhanced Strength: The Kree are a humanoid species and resemble the human race almost exactly, with the exception of having blue skin, mostly purple eyes, and sometime pointed ears. They have a higher strength level than that of a human and comparable to that of an Asgardian, though some have been overcome by humans through hand-to-hand combat. They are strong enough and have quick enough reflexes to easily overpower other races like Drax in hand-to-hand combat. They also have the fortitude to hold Infinity Stones for brief amounts of time. Their physicality is much different, having adapted to various environmental characteristics on their home planet.

Regenerative Healing Factor: Another noteworthy trait is their highly potent regenerative capabilities. Their healing factor is considered to be so profound that S.H.I.E.L.D. attempted to use the Guest Host's blood to perform transfusions with mortally wounded, dying, or dead humans in order to resurrect them or cure them of terminal illnesses. However, the process only works on being with "simple" biological makeups like humans; the Kree themselves cannot use it to resurrect their own.

Advanced Longevity: Their lifespans are potentially thousands of years long as Ronan described a team of other races as mortal.

Blue Skin: Kree skin, when overexposed to nitrogen, changes from blue to pink, heightening their resemblance to light-skinned humans. Although other races of Kree with natural skin colors other than blue have been shown to exist, such as Korath the Pursuer, whose dark skin closely resembles that of a human native to the African continent.

Hair: Although space-faring Kree with government and military rank are seen to be bald, they can grow hair like other species.

Language
The Kree have their own language, although they can speak to other races in their respective language. Other extraterrestrial races, such as Asgardians, even teach it to their young, similar to a foreign language studies on Earth.

Known Kree
For a list of known Kree, see here.