it's called tikbalang (half-man half-horse creature)
Tikbalang or tigbalang (demon horse) is a half-man and half-horse creature. It has a horse's head, the body of a human but with the feet of the horse. It travels at night to rape female mortals. The raped women will then give birth to more tikbalang. They are also believed to cause travelers to lose their way particularly in mountainous or forest areas.
Tikbalangs are very playful with people, and they usually make a person imagine things that aren't real. Sometimes a Tikbalang will drive a person crazy. Legends say that when rain falls while the sun is shining, a pair of Tikbalangs are being wed. Since horses only arrived in the Philippine archipelago during the Spanish invasion (thus, the borrowed term 'kabayo'), there is a theory that the image of a half-horse, half-man creature was propagated by the conquistadors to keep the natives afraid of the night. There are stories claiming that the Tikbalang are actually half-bird, half-man creatures, much like the Japanese tengu.
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Note: This is not in Keith Thompson's Gallary.
check out mine [link]