Tamdrin
Tamdrin is the name of the Tibetan horse king who is usually known as Hayagriya. He is one of the Dharmapalas who protects the teachings of Tibetan Buddhism. He takes the form of a man with a horse’s head.
John and Caitlin Matthews, The Element Encyclopaedia of Magical Creatures, 2013, Tamdrin, p 453
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