Kadru is a quest character and possible Broodmother of snake-girls found in the Jungles Region. Her short story links to the Hindu myth of the creation of snakes as found in the Adi Parva of the Mahabharata.
"I'm going to be the best mate you've ever had! My older sister gave birth to two sons, but I'm going to make a thousand kids, be the very best at mating, just you see!".
Her short story reference the competition between the two sisters of Vinata and Kadru, with one asking for a thousand naga children, while the other is advised to ask only two.
Notes
With the great amount of snake stories in ancient mythology and plentiful pictures of snake-girls found an elaboration of her story is possible.