Burashana

The Burashana was a Naga Vedic of the Constrictor Bloodline.

Mystical writer
The Burashan wrote many of the vedangas, created to augment the knowledge of those who could not directly access the Akasha, as the Greensnakes.

Death
The Burashana as the rest of the Naga race entered in the Great Sleep, but the Burashana never awakened, and his position had not been occupied since.