According to South Indian tradition, particularly from the Bhakti movement era, there are traditionally considered to be 12 Alvars and 63 Nayanars. - Alvars were the Tamil Vaishnava poet-saints who composed hymns (Divya Prabandha) in praise of Vishnu. There are considered to be 12 principal Alvars. - Nayanars were the Tamil Shaiva poet- saints who composed devotional hymns (Tevaram and Tirumurai) in praise of Shiva. There are considered to be 63 principal Nayanars.