Chellappa Swamigal is the guru of Mayandi Swamigal. Chellappa Swamigal is a disciple of Ramalinga Swamigal. He served his guru, when the latter was in ;
Chellappa Swamigal was born in Thanjakoor, a village via Thiruppachetti in Sivaganga District. When he came to Kattikulam around 1890, Mayandi Swamigal prayed to Chellappa Swamigal and became his disciple. There is Chellappa Swami Madam in Kattikulam, where sadhus take rest when they go to Rameswaram by walk
Chellappa Swamigal was a great yogi and siddha purusha. He has cured illness of many devotees, and granted boons for getting children.
He attained Mahasamadhi at Ekkakudi near Utharakosamangai in Ramnad District.