A legendary talk show host.
A person who is the best pool player in a town is an example of someone who might be considered a legendary pool player.
Origin of legendary
- legend +"Ž -ary; from Middle Latin legendarius' Earlier it was a noun meaning "a collection of legends" (1510s).' (Old French legendier), from Latin legenda. In English, both the noun and the adjective appear in the 16th century.