Aww :D so cute. I modeled this creeper in a class to print with a 3D printer and was very happy how it turned out. You can download the .stl for this model for free and print it if you have a 3D printer.
I recomend buying it in white strong and plastic and paint it using acrylic paints. You can do whatever design you want! For fine detail use a fine brush or a toothpick. Make sure you don't leave paint on your brush as Acrylic paints dry out quickly and can damage your brush.