The moolavar is Tirukuralappan also called Tiruvazhmarban. The Thayar is Kamalavalli Nachiyar and the Theertham Lakshmi Theertham and the Vimanam Indrakalyana Vimanam.
As per sthala purana Lakshmi was frightened to find the Ugra swaroopam of Lord Narayan as Narasimha. At the request of Prahlada the Lord attained his natural form and Lakshmi took her rightful place. Hence the Lord is called Tiruvazmarban and the place Tirupatisaram as the Lord resides here.Udayanangai and Kari, parents of Nammaazhwar worshipped at this kshetram, and were blessed with a son - Nammazhwar.
