Chris (Flashback and hint for Season 5 only)
Cream & Cheese
Cane the Rabbit (new)
Cosmo
Vector
Espio
Charmy
Jordon (new)
Shadow the Hedgehog
Rouge
E-123 Omega (new)
Dr. Eggman
Metal Sonic (new)
Sally Acorn (new)
Antoine D'Coolette (new)
Rotor the Walrus (new)
Decoe and Bocoe
Bokkun
Metal Shadow (new)
Metal Tails (new)
Atlas the Hedgebot (new)
Galaxy the Hedgehog (new)
Gold the Hedgehog (new)
Bronze the Hedgehog (new)
Brian the Hedgehog (new)
Silver the Hedgehog (new)
Blaze (new)
Marine (new)
Mephiles the Dark (new)
Shade the Hedgehog (new)
Sir Charles Hedgehog (new)
Sonia the Hedgehog (new into the Season 5 only)
Monica the Hedgehog (new into the Season 5 only)
Iron Queen (new into the Season 5 only) (is a Evil Queen)
Suke (new)
Bunnie Rabbot (new)
Dulcy the Dragon (new)
Electro the Hedgehog (new & in Episode 26 & Season 5 only)
Shockwave the Hedgehog (new)
Scratch & Grounder (new)
Coconuts (new)