Iron Duck vs Incredible Duck

Ducktales fanart from my 5-day illustration class.

Here are some of my students works:
https://www.artstation.com/artwork/VlBx4
https://www.artstation.com/artwork/0WBlV
https://www.artstation.com/artwork/bNJXo
https://www.artstation.com/artwork/VlBx4
https://www.artstation.com/artwork/nXvyK