About Matsyendranatha

Matsyendranātha, also known as Matsyendra, Macchindranāth, Mīnanātha and Minapa was a saint and yogi in a number of Buddhist and Hindu traditions. He is traditionally considered the revivalist of hatha yoga as well as the author of some of its earliest texts. He is also seen as the founder of the natha sampradaya, having received the teachings from Shiva. He is especially associated with Kaula Shaivism. He is also one of the eighty-four mahasiddhas and considered the guru of Gorakshanath, another important figure in early hatha yoga. He is revered by both Hindus and Buddhists and is sometimes regarded as an incarnation of Avalokiteśvara.
Dombi Heruka or Dombipa was one of the eighty-four mahasiddhas and student of Virupa. He is usually depicted riding a tiger and holding a snake.

Mahasiddhas – The Siddhi of perfection

is a term for someone who embodies and cultivates the "siddhi of perfection". A siddha is an individual who, through the practice of sādhanā, attains the realization of siddhis, psychic and spiritual abilities and powers. Mahasiddhas were practitioners of yoga and tantra, or tantrikas. The Mahasiddhas are the founders of Vajrayana traditions and lineages such as Dzogchen and Mahamudra. There is a symbiotic relationship between Tantric Buddhist communities and the Buddhist monastic university such as Nalanda .