Minecraft Mr. Stampy Cat (aka Stampy Longnose, aka Stampy Longhead). Halloween 2014 costume made for my son. Orange sleeper with white felt, painted box head, and hand-sewn block paws and boots to fit over hands and shoes.
Ender dragon costume. The head was made from black foam board cut to size in the shape of a cube. Glued together with hot glue. Eyes were painted. Mouth foam board. Nostrils are foam board wrapped in duct tape.