He was a sage, the son of Atri and Anasuya , but according to some authorities, he was son or emancipation of Shiva . He was noted for his irascible anger and many fell under his curse . but after some time he realized their mistake and give some remedies to remove or minimized ill effects of their curse.
It was he who cursed Shakuntala for keeping him waiting at the door and so caused the separation between her and King Dushyanta . But it was he who blessed Kunti so that she became a mother by the Sun. In the Vishnu Purana, he is said to have cursed Indra so that the gods became weak and were overpowered by the demons . In the Mahabharata , he got angry with Krishna and foretold the manner of his death . He has described himself as one `whose nature is stranger to remorse’ .