sonic exe vs Metal sonic : r/DeathBattleMatchups

Metal Sonic Matchup Tier List : r/DeathBattleMatchups

Death Battle - Vile Vs. Metallix by MechaSonicSuperFan on DeviantArt

Sonic.EXE VS. Herobrine (Creepypasta) : r/DeathBattleMatchups

The Doctor vs. Rick Sanchez by PeteyPlays on DeviantArt

User blog:GmrAlias392/The Top 200 Matchups I'd Like to See, DEATH BATTLE Wiki

Death Battle - Mecha Sonic Vs. Metal Sonic by MechaSonicSuperFan on DeviantArt

Who would be the best matchup for Sonic the Hedgehog in a death battle (a character outside of the Sonic Universe)? - Quora

Metal Sonic.Exe VS Sonic - Race - Metal Sonic Apparition V2.9 - Exploring Sonic's Route - Glitch

Metal Sonic vs Doppelganger Arle (Sonic the Hedgehog vs Puyo Puyo). The best Metal Sonic MU IMO (Connections in the comments) : r/ DeathBattleMatchups