Then I started thinking “ok who else from Sonic universe can interact with some ponies?”
And that’s how everybody favorite knucklehead somehow find him self digging for precious gems for a certain pony.
Hey, don’t be mad at Rarity, it’s not her fault that Knuckles is soooo gullible.
Rarity belong to Hasbro
Knuckles the Echidna belong to SEGA
But Amy and Pinkie…
Rouge the bat.