Metal Sonic - Incredible Characters Wiki

Metal Sonic, Legend of Mystical Heroes Wiki

15 Best Sonic the Hedgehog Characters

Sonic the Hedgehog - Incredible Characters Wiki

Super Smash Bros Ultimate Tier List: All fighters ranked plus the best melee, sword and ranged fighters explained

5 things that should be in the Sonic the Hedgehog 3 movie

Sonic the Hedgehog (OVA) - Wikipedia

15 Best Sonic the Hedgehog Characters

The 10 Best Sonic Games - IGN

Sonic Superstars: Playable Metal Sonic