This term often refers to:
* King Rajaraja Cholan I, a powerful Chola king who reigned from 985 to 1014 AD. He is often referred to as "Kodai Vallal" due to his vast conquests and expansion of the Chola Empire.
* A title used for other powerful rulers who had significant control over mountainous regions.
The term reflects the grandeur and power associated with ruling mountainous territories.