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Official Site: Lois McMaster Bujold

Miles Vorkosigan is the hero of a series of novels and short stories by Lois McMaster Bujold known as the Vorkosigan Saga.

Miles Vorkosigan is the son of Aral Vorkosigan of the planet Barrayar and his Betan wife Cordelia Naismith. He has several physical impairments due to an assassination attempt directed at his parents. A soltoxin gas grenade was thrown into their bedroom during Cordelia's pregnancy with Miles but the couple's lives were saved by quick administration of the antidote—a violent teratogen that destroys skeletal development in a growing fetus.

The only available treatment for the fetus was experimental at best, and would have been fatal to the mother. Miles was therefore transferred to an artificial uterine replicator in an effort to salvage his bone development. While in the replicator, Miles was kidnapped from the hospital and used as a hostage against his father by Vidal Vordarian, the leader of the Vordarian pretendership, putting a temporary halt to the treatments. He was ultimately born with "chalk-stick bones, friable as talc", and is described as "wizened as an infant homunculus."

Despite repeated corrective surgeries, Miles's height only reaches four-foot-nine at maturity. He has his mother's sea grey eyes and his father's dark hair. Miles is described as winter pale with laugh lines around his eyes and pain lines around his mouth. Miles was slightly hunch-backed, but after his death and cryo-revival, a surgeon managed to straighten his spine a bit, giving him a valued additional centimeter of height. Miles has fine scars running all over his body from having his easily broken bones replaced with synthetics in his twenties. Many people on Barrayar are prejudiced against him because they incorrectly believe him to be a mutant. "Mutants" (real or perceived, which are common on Barrayar due to nuclear fallout from a war) are highly undesirable on Barryar, and children visibly carrying a mutated gene are often killed by their families. Though the Time of Isolation is over, prejudice against mutants and the physically disabled is still very high.

Miles Vorkosigan has not been a contender in any CBUB matches.