The twelfth century witnessed the emergence of a new movement in Karnataka, led by a Brahmana named Basavanna who was initially a Jaina and a minister in the court of a Chalukya king. His followers were known as Virashaivas (heroes of Shiva) or Lingayats (wearers of the linga). The Lingayats challenged the idea of caste and the 'pollution' attributed to certain groups by Brahmanas. They also questioned the theory of rebirth. Siddhas (Sittars) - Saiva school in Tamil Nadu which held the monotheistic puritan creed and roundly condemned idolatry. Both statements are correct.