Shadow the Hedgehog (Prime Galaxy)

''This article is about the Shadow the Hedgehog from the Prime Galaxy. For other versions, see Shadow the Hedgehog (disambiguation).''

Shadow the Hedgehog is the ultimate life form created by Professor Gerald Robotnik and Black Doom. In Sonic Adventure 2, he posed as Sonic the Hedgehog's main rival. In many adventures afterward, Shadow was a sort of anti-hero protagonist.