Sonic Underground Zone, Sonic Wiki Zone
Mephiles (Archie), Sonic Wiki Zone
Chemical Plant Zone (Archie), Sonic Wiki Zone
Shadow the Hedgehog (Archie), Sonic Wiki Zone
Archie Sonic Universe Issue 20, Sonic Wiki Zone
Bunyip, Sonic Wiki Zone
Launch Base Zone (Archie), Sonic Wiki Zone
Archie Sonic the Hedgehog Issue 141, Sonic Wiki Zone
Octus (Archie), Sonic Wiki Zone