Aldous (also known as Mr. X) is one of the main protagonists of the Spectrobes series and the last known survivor of the Giorna star-system. He is highly skilled and clever, and is one of the few known Spectrobe Masters in existence. His vast knowledge of Krawl and Spectrobes has proven vital for the Nanairo Planetary Patrol. He made his debut in the premier DS game, Spectrobes. In the webisodes, he is voiced by Kirk Thornton.