Question: who are the 63 nayanmars?
Answer: Nayanmars; Tamil: நாயன்மார், romanized: Nāyaṉmār, lit. 'hounds of Siva', and later 'teachers of Siva') were a group of 63 saints living in Tamil Nadu during the 6th to 8th centuries CE who were devoted to the Hindu god Shiva.