That's is unknown because King Arthur is a legend and could be based upon various Kings around the time.

The legend of King Arthur is a myth and it is unlikely that he will actually return. However, stories and retellings of the Arthurian legend continue to fascinate people through books, movies, and other media.

There are various attributes that made Arthur to be considered as a great king. Some of his traits include honesty, modesty, kind-heartedness and so much more.

Arthur "King Cat" Walsh was an actual Jitterbug champion who was showcased in various movies in the 40's doing his signature Jitterbug.

King Arthur is a legendary king and did not exist.