For 10 points, name these snake-people from Hindu mythology.
One princess of these people kidnapped and seduced Arjuna, and her son Iravat was killed during the Kurukshetra war. In addition to Ulupi and Sumukha, another member of this race created the first emeralds after dropping Vala's bile; that was their king Vasuki. They were tricked out of drinking the elixir of immortality by their greatest enemy. They were born when Kashyap's wife Kadru (*) laid one thousand eggs. Another king of these creatures, Shesha, holds all of the planets in the universe while Vishnu lies on him, and these creatures were the mortal enemy of Surya's mount Garuda. For 10 points, name these snake-people from Hindu mythology.
One princess of these people kidnapped and seduced Arjuna, and her son Iravat was killed during the Kurukshetra war.
{naga}s