Who is Manuel Carmona from the story, The Hairless Mexican?

Manuel Carmona is the comical character known as the Hairless Mexican. He claims to have been a General in Huerta's army. This Mexican's outstanding characteristic is that he has no visible body hair. No eyebrows, no arm hair, no hair on his head. He wears wigs, which Ashenden considers comical. R. admits to Ashenden that he does not completely trust the Mexican but that he believes that the Mexican will do the job he had been hired to do.