An 18-year-old from Saitama Prefecture named Midari asked in the letters to the editor that if Migi took Shinichi's left hand, if he would have been named Hidari. Iwaaki answered that it would be Hidari, but Iwaaki felt that the name would be similar to those of Bokuzen Hidari or Tenpei Hidari and the name would bring to mind a doddering old man, so that wouldn't have been a good idea. Iwaaki then said that the first man to climb Mount Everest had a name an awful lot like that...