Nallur Naththathanar

Naththathanar, also known in full as Nallur Naththathanar or Idaikkali Naattu Nallur Naththathanar (Tamil: இடைக்கழி நாட்டு நல்லூர் நத்தத்தனார்), was a poet of the Sangam period who authored Sirupanatruppadai in the Pattuppattu anthology of the Sangam literature. In addition, verse 16 of the Tiruvalluva Maalai is also attributed to him.
Biography.
Naththathanar hailed from the Idaikkali country and is believed to have an excellent knowledge of geography of the ancient Tamil land, including the cities of Madurai, Uraiyur, and Vanchi.
Contribution to the Sangam literature.
Naththathanar has composed Sirupanatruppadai, a 269-line poetry in the "Achiriyappa" meter, under the Pattuppattu anthology. In addition, he has also written verse 16 of the Tiruvalluva Maalai.