They are personified by the forms of Brahma the creator, Vishnu the preserver, and Shiva, the destroyer.The temple is revered in Nalayira Divya Prabandham, the 7th–9th century Vaishnava canon, by Thirumangai Azhwar in ten hymns. Trimurti in Hindu mythology refers to the cosmic functions of creation, maintenance, and destruction.
Uthamar Kovil is one of the two temples in Chola Nadu where the trinity can be seen in the same premises, the other being Hara Saabha Vimocchana Perumal Temple at Thirukkandiyur.