Hayagriva
Hayagriva (Sanskrit: हयग्रीव IAST hayagrīva, lit. 'horse-necked one') is a Hindu deity, the horse-headed avatar of Vishnu. The purpose of this incarnation was to slay a danava also named Hayagriva (A descendant of Kashyapa and Danu), who had the head of a horse and the body of a human.