|This article needs additional citations for verification. (January 2010) (Learn how and when to remove this template message)|
Korakkar was a Siddhar, one of the celebrated yogis of South Indian Hinduism. He was a student of the Siddhars Agathiar and Bogar, and is mentioned various times in the works of Bogar. His name was Tamilised from the original Gorakh.
His works include Korakkar Malai Vagatam (Korakkar's Mountain Medicines), Malai Vaakadam, Korakkar Vaippu, Kaalamegam, Marali Varadham, Nilaiyodukam, and many more.
He used cannabis for medical purposes. The Ganja plant is also known in Tamil as Korakkar Mooli, meaning Korakkar's herb. The cave of Korakkar where he stayed for a long time is located in Sathuragiri, a village in Tamil Nadu.