no. None of the sonic characters are real
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An echidna
Grapes.
yes there is!
A doll in the form of Knuckles the Echidna.
Knuckles is a "Echidna". Echidnas are small mammals that are covered with coarse hair and spines. Superficially they resemble the anteaters of South America and other spiny mammals like hedgehogs and porcupines.Knuckles is an echidna, an animal similar to a hedgehog.