Ravana was the demon king of Lanka, modern Sri Lanka. He kidnapped Sita, Lakshmi's avatar, in revenge after Rama, Sita's husband (Vishnu's avatar), cut off Ravana's sister's nose. He was the brother of Kubera and was a devotee of Shiva. He gained supremacy in all three worlds after defeated Indra and the other gods in battle. He was ultimately defeated and killed by Rama, his brother Lakshman, and their friend Hanuman, king of the monkeys.