Here's a Sonic Final Boss tier list I made based on how powerful they are.

Feel free to debate if you'd like, just try to…

Sonic Couple Tier list

Create a All Sonic Final Bosses Tier List - TierMaker

Create a EVERY Sonic Final Boss Theme Tier List - TierMaker

tierlist of all final bosses that I remember fighting (games and

Yet Another Sonic Villain Tier List : r/SonicTheHedgehog

Create a Sonic Final Bosses Tier List - TierMaker

Create a Sonic Final Bosses Tier List - TierMaker

Create a Sonic Final Bosses Tier List - TierMaker

Create a Sonic Final Bosses Tier List - TierMaker

Create a Sonic Final Bosses Tier List - TierMaker

Create a EVERY Sonic Final Boss Theme Tier List - TierMaker

Create a Sonic Final Bosses Tier List - TierMaker

Create a Sonic Final Bosses Tier List - TierMaker