What should we call him?" Klaus asked. "You should call him Dr. Montgomery," Mr. Poe replied, "unless he tells you to call him Montgomery. Both his first and last names are Montgomery, so it doesn't make much difference." "His name is Montgomery Montgomery?" Klaus said, smiling. "Yes, and I'm sure he's very sensitive about that, so don't ridicule him," Mr. Poe said, coughing again into his handkerchief.