Shadow the Hedgehog (Sonic Boom), Villains Wiki
Sonic the Hedgehog (Sonic Boom), Sonic Wiki Zone
Cyborg Sonic (Sonic Boom), Sonic Wiki Zone
Shadow the Hedgehog (Sonic Boom Universe), Sonic Villains Wiki
Team Dark, Sonic Wiki Zone
Sonic the Hedgehog (Sonic X), Sonic Wiki Zone
Sonic Boom (DVD), Sonic Wiki Zone
Sonic the Hedgehog, Sonic Wiki Zone
Sonic Universe - Wikipedia
T.W. Barker, Sonic Wiki Zone