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Biron, also called Comet the Super-Horse, is a centaur transformed into a horse by Circe's sorcery who became Supergirl's pet for a while.

Once, long ago, in Ancient Greece, Biron was a centaur who was in love with the sorceress Circe. Biron saved Circe from an assassination attempt that was engineered by a rival wizard called Maldor, and as a reward he asked to be turned into a human. Circe gave him a transformation potion, unaware that Maldor had switched the vials, and Biron was irreversibly transformed into a white horse. In order to make up for what she believed to be her mistake, Circe brewed another potion which gave him "the might of Jove, the speed of Mercury, the wisdom of Athena, and the telepathic powers of Neptune", as well as immortality.

Enraged over his revenge being foiled, Maldor used another spell to trap Biron on an asteroid in the constellation Sagittarius. Biron spent centuries trapped there until Supergirl's Kryptonian Rocket destroyed his asteroid by accident and freed Biron.

Biron trailed Supergirl's rocket back to Earth, and found out his mysterious saviour was a super-hero. Having become obsessed with Supergirl, and hoping to team up with her in the future, Biron let himself be captured and taken to the "Supergirl Dude Ranch", named after the Girl of Steel and located near Midvale.[1]

Aware of an impeding alien attack, Biron tried to warn Supergirl via telepathic dreams. Supergirl did not understand her dreams featuring a super-horse - whom she named "Comet" - but she found Comet thanks to them.[2] Together, Supergirl and Comet managed to beat back an alien invasion. Unfortunately, Comet was sold to an animal trainer from Hollywood soon afterward.

Shortly after, an accident would cause Comet to forget about Supergirl.[3] Feeling restless, though, Comet escaped from captivity and wandered for a short time until he rescued a little girl from a fire. Comet was taken in by her parents and looked after until he was once again found by Supergirl, and his memory returned.[4]

A while later, Comet would go to the planet Zerox and bust a scheme to overturn its ruler, a powerful wizard called Prince Endor. In gratitude, Prince Endor modified Circe's spell so Comet was able to turn into a non-powered human every time a comet passed through the solar system.

While human, Biron got a job in a rodeo under the name "Bronco" Bill Star. Meanwhile, Supergirl, unaware of Biron's new ability and identity and worried about his disappearance, was looking for Comet. Guided by her friend Lena's psychic powers, Supergirl dropped by Biron's workplace. Biron decided against revealing his identity, opting for romancing a clueless Supergirl, who believed him to be a normal man.[5]

Powers

Thanks to Circe's potion, Comet is endowed with a good number of powers:

Abilities

  • Archery
  • Equestrianism: Thanks to his dual nature, Biron instinctively knows every movement that a horse is going to make.


  • This version of Comet, including all history and corresponding appearances, was erased from existence following the collapse of the original Multiverse in the 1985–86 Crisis on Infinite Earths event and later restored following the rebirth of the infinite Multiverse during the Dark Crisis of 2022-2023. Even though other versions of the character may have appeared, this information does not apply to those versions.

Related

Footnotes


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Superman Family member
This character is or was an incarnation of or an ally of Superman, and a member of the Superman Family. This template will categorize articles that include it into the "Superman Family members" category.

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Super Pets member
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This character is or was a member of the Super Pets in any of its various incarnations, super-powerful sentient animals that fight crime together.
This template will categorize articles that include it into the "Legion of Super-Pets members" category.

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