Sonic: The Fastest Thing Alive

 is a American animated series created by. It is based on the Sonic the Hedgehog franchise by, being the sixth television series (counting the Sonic Boom TV series) of the franchise, and the first to be based on the main franchise since Sonic X. It is produced by and  and aired on Disney Zoog.

The series is rated TV-Y7-FV.

Main

 * Sonic the Hedgehog (voiced by Jason Griffith) - A blue hedgehog, being the fastest thing alive and the main protagonist.
 * Miles "Tails" Prower (voiced by Colleen Villard) - A two-tailed fox who is Sonic's best friend, despite being younger than him.
 * Knuckles the Echidna (voiced by Phil LaMarr) - A red, tough echidna who is also Sonic's best friend. Rouge the Bat has a love interest in him.

Supporting

 * Amy Rose
 * Cream the Rabbit
 * Rouge the Bat (voiced by TBD) - TBD
 * Shadow the Hedgehog (voiced by ) - TBD
 * The Chaotix, consisting of:
 * Vector the Crocodile (voiced by Rob Paulsen) - TBD
 * Espio the Chameleon (voiced by TBD) - TBD
 * Charmy Bee (voiced by Mona Marshall) - TBD
 * Silver the Hedgehog
 * Tangle the Lemur
 * Blaze the Cat
 * Vanilla the Rabbit

Antagonists

 * Dr. Ivo "Eggman" Robotnik
 * Orbot and Cubot
 * Metal Sonic
 * Rough and Tumble - the two skunks who work for Dr. Eggman.

Differences between the game series and the TV series

 * Sonic and Tangle are in a relationship. As a result, Amy is dating Silver instead and Blaze is dating TBD. However, Knuckles X Rouge, Shadow x Tikal and Tails X Cream is still a thing.
 * Rough and Tumble are both working for Dr. Ivo Robotnik.

Trivia

 * It is the first traditionally animated Sonic the Hedgehog series since 1999's Sonic Underground (since Sonic X is a anime and Sonic Boom was computer-animated) and the first traditional animated one not to be made by DiC.