List of playable characters, bosses, and other characters in Sonic the Hedgehog from the Sonic the Hedgehog series. Bold characters debut in this entry. For the franchise character page, go here.
Characters in Sonic the Hedgehog
- Playable Characters: Sonic the Hedgehog
- Added in 2013 iOS/Android re-release and Sonic Origins: Miles "Tails" Prowers, Knuckles the Echidna
- Added in Sonic Origins Plus: Amy Rose
- Antagonists: Dr. Ivo "Eggman" Robotnik
