 Tirukoilur is one of the Ashta Veeratanams, Ashta – eight Veeratanam – Place of Bravery.As per legends, Shiva is believed to have destroyed eight different demons namely Andakasuran, Gajasuran, Jalandasuran, Thirupuradhi, Kaman, Arjunan, Dakshan and Taaragasuran.There are eight temples built signifying each of his victories in the war, and also as places where he is believed to have performed with fury.