Lex is an pandorian engineer and scientist who works for his ruler and friend, Nuc. He helped build Pandora very advanced and he has many inventions such as the X-Cruiser, a ship that might carry the entire planet. He appears to be a shy alien and worrys that his inventions will fail and Nuc might punish him.
Lex's appearence is that he has light purple skin, horns, and light eyes. His appearence might indicate that he is actually from Vort and ran away when Irk took control and enslaved the planet.
He likes all life in the universe except for irkens, well not all irkens.