Jambavan also known as Jamvanta, Jambavantha, Jambavat, or Jambuvan the King of the Bears,), immortal to all but his father Vishnu. In the Valmiki Ramyan however, he was described as being a Vanara or monkey. He was known as Riksharaj. Rikshas are described as bears. He was created by Brahma, to assist Ram in his struggle against Ravana Jambavan was present at the churning of the ocean, and is supposed to have circled Vamana seven times when he was acquiring the three worlds from Mahabali. He was the King of the Himalayas who had incarnated as a bear in order to serve Ram. He had received a boon from Lord Ram that he would have a long life, be handsome and would have the strength of ten million lions.
Jambavantha was considered very experienced and intelligent. He had a good knowledge of running a kingdom. Sugriva’s advisers included Jambavantha, Nala, Neela, Hanuman and a few others. Sugriva was residing on mount Rishyamukha with these advisers. Jambavantha advised Sugriva to send Hanuman to identify Ram and Lakshmana, to find out who they were and what their purpose was.
Later, it was he who made Hanuman realized his immense capabilities and encourages him to fly across the ocean to search for Sita in Lanka.
Once during a duel with Ravan, Jambavan was quick and ferocious. He gave Ravan mighty punches with his hands and finally kicked him on his chest, knocking Ravan unconscious and making him fall flat in his chariot. As a result, the charioteer withdrew Ravan from the battle. Earlier, Ravan had dueled Hanuman, who is considered to be the incarnation of Lord Shiva, and Sugriva, known to be the son of Surya.
In the Mahabharata, Jambavantha had killed a lion, who had acquired a gem called Syamantaka from Prasena after killing him. According to a Hindu legend, this gem was later renamed as the Koh-i-Noor diamond of the present day. Krishna was suspected of killing Prasena for the jewel, so he tracked Prasena’s steps until he learned that he had been killed by a lion who had been killed by a bear. Krishna tracked Jambavantha to his cave and a fight ensued. After twenty-eight days, realizing who Krishna was, Jambavantha submitted. He gave Krishna the gem and also presented him his daughter Jambavati, who became one of Krishna’s wiv