 Parashurama was the guru of Dronacharya, the guru who instructed the Pandavas in the epic of the Mahabharata.Bhishma and Karna, half brother of Pandava also took instruction in weaponry from Parashurama.Parashurama was known to have terrible temper having lost his father to the evil Kshatriya Kartavirya Arjuna (not to be confused with Arjuna of Mahabharata).