Ishi
Ishi, which means "man" in the Yana language, is an adopted name. The anthropologist Alfred Kroeber gave him this name because in the Yahi culture, tradition demanded that he not speak his own name until formally introduced by another Yahi. When asked his name, he said: "I have none, because there were no people to name me," meaning that there was no other Yahi to speak his name for him.