The Veerakumaraswamy temple at Vellaikkoyil is a Murugan temple built along the lines of village temples in Tamilnadu dedicated to guardian deities such as Ayyanaar. The 18 siddhas of Tamilnadu are held in great reverence here. (Sivanmalai is associated with Sivavakyar, Marudamalai with Pambatti Siddhar and Chennimalai with Pinnakku Siddhar.

Veerakumaraswamy occupies the central sanctum here; there are also shrines to Muthukumaraswamy, Kanniaathaa and Karuppannasaami. All images are made of clay. As with most other temples dedicated to guardian deities, life sized images of a file of horses are seen at the entrance to the temple

This temple was formerly associated with animal sacrifices. The annual festival here is celebrated in the month of Maasi.