If you describe someone or something as legendary, you mean that they are very famous and that many stories are told about them. 大名鼎鼎的
adjective [原级]非常有名的,大名鼎鼎的;传说(中)的
A legendary person, place, or event is mentioned or described in an old legend. 传说中的 • The hill is supposed to be the resting place of the legendary King Lud.