In addition, he was nicknamed 'Chab' by his schoolmates in his school days of Gakushuin Primary School, which originated in his looks that let schoolmates associate with an incense burner for burning the mosquito repellent stick, as well as in his swarthy-colored skin.
このほか学習院初等科時代に、容貌が蚊取線香の香炉を想起させたこと・色黒だったことから「チャブ」と学友たちによってつけられた愛称が伝わる。