Karuppannaswamy and Siddhas
Karuppannaswamy is a favourite Deity of the Nath/Siddhas. His worship has been integrated into the mode of worship of the Siddhas. Chenthamangalam near Salem has a temple dedicated to Pathinettampadi Raja Karuppannaswamy. This has been erected by Swami Santhananda Saraswati Avadhuta Swamigal.
Read more about this topic: Karuppu Sami