Agathiyar
Agastya was a revered Indian sage of Hinduism.[2] In the Indian tradition, he is a noted recluse and an influential scholar in diverse languages of the Indian subcontinent. He and his wife Lopamudra are the celebrated authors of hymns 1.165 to 1.191 in the Sanskrit text Rigveda and other Vedic literature. Agastya is considered to be the father of Siddha medicine. Agastya appears in numerous itihasas and Puranas including the major Ramayana and Mahabharata.
Thirumoolar
Tirumular also known as Suntaranāthar, was a Tamil Shaivite mystic and writer, considered one of the sixty-three poet-saints called the Nayanars, and is listed among a group of 18 sages called the Siddhars. His magnum opus, the Tirumantiram, consisting of over 3000 verses, forms a part of the key text of the Tamil Shaiva Siddhanta compilation called the Tirumurai.The dates of Tirumular’s life are controversial, and because his work makes reference to so many currents of religious thought.
Idaikaadar
Idaikaadar was a Tamil siddhar of the Sangam period. He authored verse 54 of the Tiruvalluva Maalai.Unlike Idaikaadanar of the Sangam period, who was a poet by profession, Idaikaadar was a siddhar. Idaikaadar hailed from Idaikattur near Madurai. He belongs to the Idaikkali country. He is known for composing poems with excellent exemplifications. He has written in praise of the Chola King Kulamuttratthu Thunjiya Killi Valavan (Purananuru verse 42). He has also authored the grammar text “Oosimuri”.
Korakar
In the Siddhar tradition of Tamil Nadu, Korakkar is one of the 18 esteemed Siddhars of yore, and is better known as Gorakhnath in North India. Siddhar Agastya and Siddhar Bhogar were his gurus. There is a temple in Vadukku Poigainallur, Nagapattinam, Tamil Nadu which specifically houses his Jeeva Samadhi. According to one account, he spent much of his youth in the Velliangiri Mountains, Coimbatore.There are various other shrines in respect of korakkar; located .There are various other shrines in respect of Korakkar; located in Perur, Thiruchendur and Trincomalee, to name a few.
Konganar
Konganavar Siddhar is the native of Kongu Nadu i.e… nearer to Coimbatore. He was born in a small village called Oothiyur, presently in Erode district of Tamil Nadu.Use of copper compounds in Tamil Siddha Medicine System came in vogue by incisive and fastidious intellects of Siddhar Konganvar or Konganar. He synthesized all the copper compounds from the extracts of stipulated herbs and used it as a Siddha Medicines. He was trailed as the “Father of Medicinal Chemistry” in the realm of Tamil Siddha Medicine System”
Kalangi Nathar
Kalangi Nathar was an Indian ascetic who belonged to both the natha tradition of northern India and the siddha tradition of southern India. He was the guru of saint Bhogar and was born in Varanasi and belonged to the ancient tradition of nava (nine) nātha sadhus (holy ascetics), tracing their tradition to Shiva.He is associated with the Kanjamalai hill in southern India and is often referred to us “Kanjamalai Siddhar”. He attained mukti on this hill, near Kanchipuram, where his samadhi, now known as the Sidhhar Kovil temple, is still located.
Bogar
Bogar, Bhogar, or Boganathar was a Tamil Shaivite Siddhar. He was a disciple of Kalangi Nathar. He was born in Vaigavur near Palani Hills. He received his education from his mother and his grand father described in several traditions and texts. Bogar himself describes his native roots in his book “Bogar 7000”. Bogar went from Tamil Nadu to China and taught about enlightenment, this is also mentioned in his book Bogar 7000. Bogar is said to be in “nirvikalpa samadhi” below the sanctorum of Palani Murugan hill temple.
Pulipaani
Though a siddha he is an ardent devotee of Lord Siva. After getting Lord Nataraja’s darshan, he ever remained in a state of bliss. He worships Lord Siva like any other ordinary human being. He loves to worship Lord Siva with ‘Vilva’ leaves. He asked for and got a pair of Tiger’s paws (PULIPANI) as a boon, so that he could climb the Vilva tree and pluck its leaves for puja.Pulipani is a Siddhar who performs intense yogic meditation towards Lord Siva.
Karuvurar
Karuvurar was a sage or Siddhar from Karuvur (modern Karur) in Tamil Nadu, India. There are 18 Siddhars popularly known in Tamil literature. He is the one among the 18 Siddhars. Believers describe Siddhars as having the “ability to perceive the higher cosmic movements in universe.” They are described as experts in Yoga, alchemy, literature, and philosophy, and as having the ability to move their souls to and from the bodies of others.
Machamuni
Machamuni, also known as Matsyendra, Macchindranāth, Mīnanātha and Minapa (early 10th century) was a saint and yogi in a number of Buddhist and Hindu traditions. He is 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 associated with Kaula Shaivism.He is also one of the eighty-four mahasiddhas and considered the guru of Gorakshanath, another known figure in early hatha yoga.
Kamalamuni
He was very fond of chanting PANCHATCHARA mantra of Lord Siva. His body looked like a piece of red hot iron. But he used to remain cool. He spoke to people in a soft manner. By looking at him one can get peace of mind. He always had a sweet smile on his face. He preferred to sit in JALA SAMADHI, quite often, for months at a time. By touching the head of the disciples, he could activate the dormant Kundalini sakti. Without exposing himself he used to sit in temples and do his worship quietly. Never liked astral journey but loved to walk long distances, during pilgrimages.
Chattaimuni
In the annals of Siddha History Sattaimuni Siddhar occupies a vital place for his anthropological work. Keeping the benefit of people in mind, he exposed the secret codes followed in the realm of Siddha, which was adhered by others. Sattaimuni Siddhar was born in Srilanka and was living with his family as a mendicant friar outside a temple. Enchanted by the glow of a saint from North India, he quit his family life and followed the seer to seek Siddha knowledge.
Brahmamuni
In a village near Dwarka in the state of Gujarat, a child grew up with divine powers from birth. The child grew up to be a boy and proved himself to be a brahma jnani even before he was 16 years old. He cured people’s diseases with divine power. People respected him as a deity and called him Gnaneswara.
Pambatti Siddhar
Pambatti siddhar was one of the 18 siddhars, a lineage of monks or sages who lived at various time periods in India, mainly southern India. Some of his poems, roughly around 600 lines of text are available today. His poems are written in Tamil and he is famous for finishing his poems with the term ‘Addu Pambe’ which literally means ‘dance, o snake’. Even his poems are addressed to snakes. Some of his poems also addresses his spiritual teacher or guru.
Kutambaichithar
He is one among the celebrated 18 Siddha’s, who was born in the lineage of Yadavas. Kuthambai is an ornament worn by girls in ear i.e… a type of earring. Kuthambai Siddhar was only child to his parents and since, there was no girl child with him, his mother brought him up like a girl by wearing him the earring. In his previous birth Kuthambai Siddhar’s life expired before attaining the Siddhi. Kuthambai Siddhar had much propensity for Siddha Science right from his sixteenth year due to the remaining good karma.
Theraiyar
Theraiyar Siddhar, a stalwart of Siddhar Agathiyar is one of the strong patrons of Siddha Medicine system, whose contribution towards Siddha Medicine System is immeasurable. Female Siddhar, Avvaiyar recommended Siddhar Agathiyar to mentor Siddhar Theraiyar when Theraiyar was a small boy. Theraiyar Siddhar was not an ordinary pupil of Siddhar Agathiyar, as he mastered in all the realms of Siddha science. He is a polyglot and proficient in Tamil, Telugu, Kannada and Sanskrit.
Siva Vakkiyar
Siva Vakkiyar also known as the CHENNI MALAI siddhar. Loves to remain in samadhi all the time like the Pambatti Siddhar. He has pointed out the short comings in various modes of worship. He has brought to light the fraudulent practices of pseudo swamijis and opposed the caste system. He believed in equality and in the worship of JYOTI. He was against blind faith, and has written many poems explaining True Gnana.
Patanjali
Patanjali, the author of mystic yoga was born to Atri maharishi and anusuyai. According to the Thirumanthiram of the great Saivite sage Sri Thirumoolar, Sri Guru Nandhi deva taught the science and practice of this great yoga to eight disciples namely Sanagar, Santhanar, Sanath Sujatar, Sanath Kumarar, Siva Yoga Maamuni, Patanjali, Vyakramapadar and Thirumoolar. Later Patanjali wrote this Great treatise of Yoga in Sanskrit, which is now popular as Patanjali yoga.