Name: Sora, Oni and Nicky (all known as CerberuSonic or simply Sonic)
Age: 15
Gender: Boy
Race: Three-headed hedgehog
Features: Three heads, two tails, a furrier and slightly-taller body-type. Nicky has a fringe above his himself!
Personalities: Each head has its own mind and personality. Sora is brash, Oni is confident and Nicky is kind. The heads have a healthy relationship towards each other. Oni tends to Nicky as his dear brother, while Sora is more a class-clown.
Bio: Born to Jules and Bernadette, the triplets lived in a village populated by peaceful beings that use positive magic. As they grew, they immediately formed a bond between each other, spending time together in a single body. Once determined, the triplets set out to explore the world outside their birthplace.
Fun Fact: CerberuSonic is supposed to be similar in a body-type to the blur himself. His/their name is a portmanteau of "Cerberus" and "Sonic".
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A reference sheet for my triple version of Sonic! I love how he came out with his update.

For  multifurry

Sonic the Hedgehog © Sega and Sonic Team