List of playable characters, bosses, and other characters in Sonic Adventure from the Sonic the Hedgehog series. Bold characters debut in this entry. For the franchise character page, go here.
Characters in Sonic Adventure
- Playable Characters: Sonic the Hedgehog, Miles "Tails" Prower, Amy Rose, Knuckles The Echidna, E-102γ, Big the Cat
- Bosses: Dr. Ivo ''Eggman'' Robotnik, Chaos, E-100α (aka Zero), E-101β, E-103δ, E-104ε, E-105ζ
- Non-Playable Characters: Tikal, Pachacamac