By Ronald Byrd
As a child, Sarah, one of the few children in the subterranean community of mutants known as the Morlocks, was among the handful of survivors when her people were massacred by the Marauders, agents of the evil geneticist Mister Sinister. Eking out an existence in the aftermath, Sarah and the other survivors were transported to another dimension by the insane mutant Mikhail Rasputin, who hoped to forge them into a conquering army. Sarah grew to adulthood in this dimension, a Darwinian survival test known as the Hill, and eventually became the leader of the second generation of Morlocks, known as Gene Nation. Although decades passed in the dimension of the Hill, mere months passed between the Morlocks’ departure from and return to the Earth dimension. Now known as Marrow, Sarah led Gene Nation on a war against humanity, leading the mass murder of dozens of ordinary humans, but later came under the influence of the heroic X-Men and at least partially repented of her violent ways. After several adventures, including one in which she underwent further mutation into an arguably more attractive form, Marrow left the X-Men under as yet unrevealed circumstances, and her current whereabouts are unknown.
It was revealed at one point that Marrow had a deep admiration for the beauty of female teammate Shadowcat and was even known to sneak into her room to watch her sleep; this could simply be attributed to a mixture of envy and aesthetic appreciation, but it could also be indicative of something more. However, Marrow has also demonstrated levels of romantic interest in some of her male teammates, so her sexual orientation remains unclear, not surprising after a troubled life of little but unrelenting violence which must have repressed any feelings of tenderness or love.
Marrow’s skeletal structure was in a constant state of uncontrolled fluctuation, enabling her to extrude bony plates and extensions from her body for offensive and defensive purposes; she was even able to remove some of the bones to use as weapons, most often a pair of sharp, sword-like bones. She eventually gained better control over her body as a result of transformation by alien Shi’ar technology.
Marrow first appeared in Cable #15 (first volume?). X-Men Unlimited #22 leads one to wonder if Marrow may be bisexual.
Marrow was created by Jeph Loeb, David Brewer, Scott Lobdell, and Joe Madureira. Art by Khoi Pham and Sandu Florea from x-Factor (2006) #18.
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