About Narantaka-Devantaka
Narantaka (Sanskrit: नरान्तक, IAST: narāntaka, lit. destroyer of men) and Devanataka (Sanskrit: देवान्तक, IAST: devāntaka, lit. destroyer of Gods) are asuras and sons of Ravana who appear in a number of Hindu legends. They, along with Atikaya, were the offspring of Ravana and his second wife Dhanyamalini.