While working as Senapathi under the Pallava King, Paranjothi who belonged to Thiruchengattangudi went to Vathapi and won the war against Pulikesin, He relinquished the post and returned to his native place and installed the idol of Ganapathy he brought from Vathapi. Therefore the name of Ganesa in the small shrine of the outer prakaram is called Vathapi Ganapathi. As Paranjothi was a great devotee of Lord Shiva he humbly called himself as Siruthondan. It was his routine to feed the devotees of Shiva every day.
Unable to find a Shiva devotee for lunch, Siruthondar as a disappointed man returned home . His wife narrated the entire episode that happened short while ago. He rushed to the temple immediately and found the Lord under the Aathi tree who identified Himself as Uthrapathi.
Devotees should also visit Ramanadheeswaram, Thirumarugal,Thiru Sathamangai (Seeyathamangai) and Thirupugalur which are located nearby.