Devron the Experimenter is a young Celestial-in-Training who is constantly competing with his brother Gamiel to prove which theory of theirs is right. This has often lead to many disasters, one incident suggests that they were responsible for The Kree/Skrull War when they initiated the first meeting between the two races over Four Billion Years ago, their antics have the older and more mature Celestials worrying for the future of their race.