Trisiras

Vishvarupa (Sanskrit विश्वरूप Visvarupa m. " Allform " ) or Trishiras ( त्रिसिर triśiras m. "Three head") is in the Vedic religion of the three-headed son of Tvashtri. When trying to enthronen the king of gods, Indra, he was killed by this.

Vishvarupa is also an epithet of Vishnu.