The thousand names of Lord Śiva (Shiva) was not mentioned in the Anuśāsana (Anushasana) Parva of the Mahābhārata (Mahabharata). But twice Lord Śiva (Shiva) was mentioned as Ugrāyudha (Ugrayudha) in the Mahābhārata (Mahabharata). In the Droṇa (Drona) Parva of the Mahābhārata (Mahabharata), when Vyasadeva recited the Śatarudrīya (Shatarudriya) Stava of Lord Śiva (Shiva) to Arjuna, Lord Śiva (Shiva) was mentioned as Ugrāyudha (Ugrayudha). Again, in the Śanti (Shanti) Parva of the Mahābhārata (Mahabharata), Lord Śiva (Shiva) was recognised as Ugrāyudha (Ugrayudha). He was known so because he carried the Ugra or terrible arms like Triśūla (Trisula or Trident), Pinak Dhanuka (A bow called Pinak) etc.