Lex is a pandorian engineer and scientist who works for his ruler and friend, Nuc. He helped build Pandora to a technological advanced planet and the x-cruiser, which can travel with the whole population of Pandora. He appears to be a shy alien and worrys that his inventions will go crazy.
His appearence is he has gray skin and horns. His appearence might mean that he is actually from Vort and ran away when Irk took control and forced his people to slavery.
Nuc- He thinks of her as a friend rather than a ruler.
Irkens- He hates the Irkens after they decided to conquer Vort.