Erawan is Airavata in Thailand He has three heads. the three headed mythic elephant symbol had the same number as there were principalities. Thus it is said that the three heads represent the former small kingdoms of Vientiane, Luangprabang, and Champassak http://www.asiafinest.com/forum/lofiversion/index.php/t53881.html Erawan is the name used in Laos , Thailand and therefore probably Cambodia for Airavata the three-headed elephant upon which Indra rides. http://www.asiafinest.com/forum/lofiversion/index.php/t106448.html Over the second terrace are four statues of the Hindu god Indra riding on Erawan. http://en.wikipedia.org/wiki/Wat_Arun