Ugrasena was one of Devagandharva(s) (an order of demigods) born of the womb of Muni, daughter of Dakṣa (Daksha), and sired by Maharṣi (Maharshi; great Sage) Kaśyapa (Kasyapa). He was present in the birth-ceremony of Arjuna, along with other distinguished Gandharva(s), In Virāṭaparva (Virataparva), when Arjuna alone came to fight the Kaurava army, the Gandharva(s) became assembled to witness the battle. Ugrasena was also present among them.
According to Purāṇa(s) (Purana; Mythological Scriptures), in the months of Śrāvaṇa and Bhādra, Ugrasena used to stay in the chariot of the Sun-god.