and implementation. The Progenitor: The first Celestial to visit Earth. This Celestial had been infected, while traveling in deep space, by the Horde which eventually killed him. A new version of the Progenitor was later resurrected to end the Eternals' war against the mutant nation of Krakoa. This Celestial then began judging whether the civilization of planet Earth will live or die. The Red Celestial: The Celestial tasked with helping to birth the Blue Celestial. The Red/Blue Judge: The Celestial tasked with judging whether the civilization of a planet will live or die. Scathan the Approver: A Celestial from the alternate timeline/reality Earth-691 who is tasked with approving or disapproving situations. It seems that Scathan also exists in Earth-616, the Prime Marvel Universe. Star Child: A "Variant Celestial", the son of the Celestial Madonna. He was born on the sun following the death of his mother and was retrieved by Leonardo da Vinci. Xodus the Forgotten: A mutant M'Kraan evolved into a Celestial at Earth-92131. Tefral the Surveyor: A Celestial tasked with surveying and mapping the geography of planets. Valknar the Exhumer: One of the Celestials that was turned into a Dark Celestial. Ziran the Tester: A Celestial tasked with testing the stability of the genetic material of life forms they alter. Biology Referred to as "space gods" by the Eternals and the Deviants, the Celestials appear as silent, armored humanoids with an average height of . They weigh an average of 260 tons, meaning they are far denser than air. They are capable of feats such as reducing the Asgardian construct known as the Destroyer to slag, moving planets at will, and creating and containing entire pocket universes. Reed Richards theorized that the Celestials' source of power was Hyperspace itself – the source of all energy in the Marvel Universe. The characters are almost invulnerable, and have only been harmed in rare instances, before instantly regenerating. The first murder of a Celestial (which was also the first murder of the current multiverse) was carried out by the God of the Abyss, Knull, using the first Necrosword. The first known assassination of a Celestial was carried out by the Apocalypse Twins, who used the divinely-enchanted axe "Jarnbjorn" to pierce Celestial armor, against the Celestial Gardener. Composed of Asgardian Steel, "Jarnbjorn" was unable to pierce the Celestial-armored Apocalypse until Thor blessed the axe with his blood. The now-lost hyperweapon, Godkiller, a