There are diverse theories with regard to the origin of Mukkulathors.

Dr. Pitchappan have found the ancient DNA marker M130 in the blood of Piramalai Kallar that links them to the very first modern humans who migrated out of Africa and travelling through the southern coastline of Asia that eventually reached ऑस्ट्रेलिया.

Agamudayar
Freedom Fighters
Kallar
Recent Scientific study