Why did Cary Grant and his mother find Sgt Emile Klingers name so unusual in north by northwest?

In "North by Northwest," Cary Grant's character, Roger Thornhill, and his mother find Sgt. Emile Klinger’s name unusual because it reflects the character's unique and somewhat humorous persona. The name "Klinger" evokes the image of someone who is quirky or eccentric, which contrasts with the serious nature of the military context. Additionally, the name resonates with the comedic undertones of the film, highlighting the blend of suspense and humor that characterizes Hitchcock's work.