Each Character has an analysis
Sonic, Tails, Knuckles, Amy, Eggman, Metal Sonic, Vector, Espio and Charmy Bee.
Once you have crafted an emerald, sneak with it to become the character.
Rings can be found in villages

Many characters are planned
Silver, Blaze, Shadow, etc.

If you want to pay close attention to the progress of the datapack, join my Discord server here. https://discord.com/invite/5yTQMuY

This datapack only works on 1.17 onwards