Ugrāsya(Ugrasya) is one of the warrior-generals of Mahiṣāsura (Mahishasura). Goddess Durgā (Durga)killed him with the trident, in the battlefield.

Devībhāgavatpurāṇa(5.6.15)
Mārkaṇḍeyapurāṇa(83.18)