legend
/ˈlɛdʒ(ə)nd/
noun
a traditional story sometimes popularly regarded as historical but not authenticated.
"the legend of King Arthur" synonyms: myth, saga, epic, folk tale, folk story, traditional story, tale, story, fairy tale, narrative, fable, romance; More
an extremely famous or notorious person, especially in a particular field.
"the man was a living legend" synonyms: celebrity, star, superstar, icon, famous person, great, genius, phenomenon, luminary, giant, big name; More
adjective
very well known.
"his speed and ferocity in attack were legend"