Vayu, Seated On Deer

Lord Vayu is the god of wind or air and is said to be king of the Gandharvas, spirits of the atmosphere/sky. He is usually depicted as blue, riding a deer.

Image of Satguru Sivaya Subramuniyaswami
The Saiva Siddhanta perspective is that Siva's wonderful universe of form is perfect at every point in time, complete and totally just, and every soul, in all stages of evolution, is an intrinsic part of it, even Siva himself.
—Gurudeva