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Origin

Nothing is known about Shaun's past before enrolling at the Xavier Institute.

Xavier's Institute

Shaun was enrolled after the Xavier Institute went public.[1] When the training squad system began, Shaun was placed with Rogue's Advocates Squad and codenamed Xenon.[2][3]

M-Day

Xenon was one of the many mutants to lose their powers on M-Day.[4] The depowered students of the Xavier Institute were asked to leave the school, but the bus carrying several depowered students was attacked by one of William Stryker's Purifiers.[5] It is unknown if Xenon was aboard the bus.

Powers

Currently none. Xenon was a mutant, but lost his mutant powers due to the effects of M-Day.



  • "Xenon" is a noble gas and chemical element with the symbol Xe and atomic number 54. Xenon is commonly used in flash lamps, arc lamps, and lasers.

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