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