Ulkāmukha (Ulkamukha) was one of the Nāgas (Naga or snake) who was born out of the womb of Kadrūr (Kadrur). His father was Prajāpati Kaśyapa (Prajapati Kasyapa). While describing the Bhogpurī (Bhogpuri) of the Pātāla (Patala or Hell), Nārada (Narada) mentioned the chief Nāgas (Naga or snake) who resided there. Ulkāmukha (Ulkamukha) was one of them. It is known from the Vāyu Purāṇa (Vayu Purana) and the Brahmānḍa Purāṇa (Brahmanda Purana) that Ulkāmukha (Ulkamukha) had a beautiful house at the third floor or Vitala of the Pātāla (Patala).