• Real Name: Borialosaurus
  • Alias: Borialosaurus
  • Identity: Public Identity
  • Alignment: Bad
  • Gender: Male
  • Hair: Black, Eyes: Yellow
  • Occupation: Sinestro Corps member
  • First appearance: Green Lantern Sinestro Corps Special #1 (August, 2007)


Borialosaurus is one of the oldest member of the Sinestro Corps coming from an ancient race of carnivorous sea creatures on Maltus billions of years ago. Borialosaurus’ species was almost hunted out of existence after attacking and killing dozens of Guardians of the Universe. Whether or not Borialosaurus is a descendant or an actual participant in the killings of the Guardians has not been determined. Likewise, it is not known if Borialosaurus is his actual name, or the name of his species.

Borialosaurus was one of thousands on Qward during the capture of Green Lantern Kyle Rayner. He held Rayner while Sinestro forcibly removed the Ion entity. Borialosaurus was next seen prior to the Arkillo-led attack on Green Lantern Mogo, but his activities in the war with the Green Lantern Corps have yet to be detailed. Following the Sinestro Corps defeat on Earth, the status of Borialosaurus is not known.

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