A ritwik in Janamejaya’s sarpasatra. Bhargava, Kautsa, Jaimini, Shanrngara, Pingadha, Vyasa, Uddalaka, Pramathaka, Shwetaketu, Asita, Devala, Narada, Parvata, Atreya, Kundajara, Kalakhada, Vatsya, Kohala, Devasharma, Moulgalya, Samasaurabha were the chief ritwiks as per Mahabharata Adiparva Chapter 53.

Asita, Devala, Vaishambayana, Sumantu, Jaimini were Vyasa’s disciples, as per Devibhagavata Pradhamaskanda. According to Brahmavaivartapurana, Devala was born to Asita by the blessings of Shiva. Once Asita described the fundamentals of reincarnation to Janaka, as per Brahmandapurana Chapter 47.