Foxes

Foxes (キツネ, Kitsune) are a species that appears in the video game, comic book and television series, but most of all, the Sonic series. Unlike the real-life species, foxes in the Sonic Universe are anthropomorphic animals of said species, and the most recognized of them being Tails the Fox. Several robotic copies of hedgehogs also exists, most of whom were created by Dr. Eggman in imitation of Sonic, the most famous of them being Metal Tails.

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 * —About Foxes.