In memory of his father, who when he was alive often scolded him for being stupid of mind and behavior, Cheng Yueh-po of Tainan City, now in his eighties, changed his name to "Erh-tai," or "two stupids" without telling his wife and children.
台南市一位八十餘歲的老翁程約伯，為了紀念亡父生前常數落他「傻裡傻氣，呆頭呆腦」，多年前特別取「呆頭呆腦」的「二呆」為名，瞞著妻兒，改名為「程二呆」。