A Puruvanshi king. Puru had three sons – Pravira, Ishvara and Raudrasha. Puru also had a son with Shuraseni called Manasyu. Manasyu and an apsara called Mitrakesi had a son and this was Anvagbhanu. He is also called Richeyu and Anadhrishti as per Mahabharata Adiparva Chapter 94 verses 8-12.