A rakshasa who took the form of a sage and once stayed with the Pandavas. He wanted to abduct Draupadi and steal their weapons when a chance arose. When Bhima left for hunting and Arjuna was on a pilgrimage he abducted the remaining brothers and Draupadi. But Sahadeva escaped and Yudhishtira swore that the asura would be killed by the end of the day. Bhima soon arrived hearing the commotion and killed Jatasura as per Mahabharata Vanaparva Chapter 57.