Ziran The Tester
Ziran the Tester is a Celestial in the Marvel Comics universe. The character, created by Jack Kirby, first appeared in The Eternals #18 (December 1977).
Within the context of the stories, Ziran is the Celestial tasked with testing the stability of the genetic material of life forms they alter. He is present during at least the First and Fourth Hosts to visit Earth.
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