Thirumazhisai Azhwar is a Tamil saint revered in the srivaishnavism school of south India between the 4th to 9th century CE in Tondai Nadu (now part of Kanchipuram and Tiruvallur districts). The legend of this saint devotees of Srivaishnavism believe that he was the incarnation of Vishnus disc, Sudarshana.
A childless tribal couple called Tiruvaalan and Pankaya Chelvi engaged in cutting canes found the child and took it home. The couple also had a son named Kanikannan who was a disciple of Thirumalisai Alvar.
He belonged to Paraiyar caste, he proclaimed that he was not of the 4 castes (Brahmin, Kshatriya, Vaishya & Shudra) in one of his couplets as he was considered (Avarna) untouchable and casteless person.