From Srimad-Bhagavatam, Canto 7, Chapters 2-10
Hiranyakashipu, King of the Demons
Sri Narada Muni said: My dear King Yudhisthira, when Lord Vishnu appeared in the form of Varaha (the Boar incarnation), and killed the demon Hiranyaksha, Hiranyaksha’s brother Hiranyakashipu was extremely angry and began to lament.
Filled with rage and biting his lips, Hiranyakashipu gazed at the sky with eyes that blazed in anger, making the whole sky smoky. Thus he began to speak. Exhibiting his terrible teeth,