Dr. Xy
After the original Xyon faked his death, the offspring of Burgoyne 172 and Dr. Selar was named after Xyon, though he is informally addressed by the diminutive Xy. Due to his nature as a Vulcan/Hermat hybrid, the second Xyon possesses an incredible intellect but has aged rapidly; his lifespan would seem to be brief compared to either of his parents'. At the chronological age of four, he held a doctorate and served as science officer of the Excalibur.
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