Veritas Ratio, who calls himself "Dr. Ratio," is as contentious as his research. In Ratio's home world, there are no less than eight documentaries detailing his legendary exploits, and over a dozen memoirs about him. He is a member of the Intelligentsia Guild.

Sampo takes the role of the reader, he is an eloquent mercenary from the Underworld who does all sorts of jobs for his "customers," as long as he doesn't get paod off with a higher price.