This is really cute, and times with the music very well!
Awesome job, and I hope your cousin enjoys it!

Cute stuff! Love the secondary animation on Eggman's mustache and Knuckles' redesign and expressions! Good job!

I have no idea what's going on here, but its intriguing (from the composition, to the textures) and I like it!

Dayum, this is cool with the contrast of grays, blacks and that tiny bit of red.
This is amazing.

Love the pose, expression and composition!
Awesome job!