Dark dragon.png - Fan Art & Comics - Sonic Stadium

Sonic the Comic Con Special, Sonic the Comic Wiki

Sonic Underground - Wikipedia

Dark dragon.png - Fan Art & Comics - Sonic Stadium

Dark dragon.png - Fan Art & Comics - Sonic Stadium

Dark dragon.png - Fan Art & Comics - Sonic Stadium

Fan Art & Comics - Sonic Stadium

Dark Sonic - Fan Art & Comics - Sonic Stadium

Black Dragon, Sonic Wiki Zone

Dark super sonic by KDragongirl on Newgrounds

Rouge the Bat, Sonic Wiki Zone

Fan Art & Comics - Sonic Stadium

Happy Sonic Stadium Holidays! Win What's in SONIC'S SACK! - Site Updates & Features - Sonic Stadium

Black Doom Battles – DReager1.com

Dark dragon.png - Fan Art & Comics - Sonic Stadium

Mecha Sonic Mark II, Sonic Wiki Zone