Ilango Mutharaiyar

Ilango Mutharaiyar or Ko Ilango Mutharaiyar , also known as Videl Vidugu Ilangovathi Mutharaiyan, was the last ruler of the Mutharaiyar dynasty (610 AD-851 AD).. 
Temples.
Vijayalaya choleeswaram
Narthamalai is from Trichy on the Pudukkottai - Trichy Highway. There can be seen one of the oldest rock-cut temples built by Ilango Mutharaiyar, which was later rebuilt by Vijayalaya Chola, known as Vijayalaya Choleeswaram. The temple is dedicated to Shiva. There are also two rock-cut caves, one of which has 12 life-size sculptures of Vishnu. The temple is maintained and administered by the Archaeological Survey of India as a protected monument.
Keezhathaniyam temple.
Mutharaiyar was responsible for the construction of a temple at Keezhathaniyam, about from Pudukkottai. Known as Uthamadhaneeswarar, it is dedicated to Shiva.