Vamana

Vamana (Devanagari: वामन) is a personality described in the Puranic texts of Hinduism as the Fifth Avatara of Vishnu, and the first incarnation of the Second Age, or Treta yuga. Also he is the first Avatar of Vishnu which appears with a completely human form, though it was that of a dwarf brahmin. He is also sometimes known as Upendra.
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[Hindu] In Vedic Hinduism, the fifth avatar of Vishnu, in the form of a dwarf. It was in this form that Vishnu tricked Bali into giving up heaven and earth. He asked Bali to be given a plot of land a mere three paces wide. Bali agreed, and Vishnu returned to his usual size and paced out the measure of heaven and earth in two steps. He elected not to claim the underworld, which he allowed Bali to retain and rule over.