Dracon-1423 was among the first Yeerk scientists. He is responsable for developing many of the technologies modern Yeerk tech is still based on today, he is most famous for his development of the Dracon particle beam.
He also developed the auto modualting system used by Yeerk shield regulating computers.
Dracon-1423 escaped from Andalite custody after being captured in an Andalite raid on the Orff home world. He killed his two guards with tiny poison gas implants that he had installed himself. His current were abouts are unknown.