Norval Morrisseau aka Copper Thunderbird was a famous Shaman artist from Canada, and he is considered one of the most original artists to depict the ancients myths and legends of his people.
Here is an example of his work. Picture sourced from here.
Snubnose uses the snake motif and the style of drawing the faces for her own take on the original using oil pastels on a blue canvas. It took her almost a month to finish.