Historians postulate that Pandians are Maravar but some Pandiyan kings were Kallar. 
A Pandiyan king was mentioned as Kallar Perumagan Thennavan. Also the bulk of Kallar warriors were serving in the Pandian army. 

After the end of Pandian Rule, then Pandi nadu, also known as Kallar nadu, Was ruled by Kallar Ambalakkarrars.

Chola
Surnames
Link With Pandiyan
Notable Reformers