Here's my piece for the first art challenge: Nothing like having a good head on your shoulders!
Being the huge Sonic fan I am, I instantly remembered when the Sonic Boom character designs we're revealed. My brother and I thought of the one episode of Spongebob with the Fry Cook Olympics and how Patrick and Spongebob morphed into wrestlers.
We figured Knux must of took the same stuff they did.
Or maybe he listened to his theme song and decided to flex his muscles instead of chuckling