Fats Domino.

 The singer had 'announced' rock'n'roll style in his song The fat man.This single was sold in 1 million copies.He was also a good piano player.
 He sang many songs that became hits of the time.
 He sold 65 millions copies by the '60 and he succeded to combine really good R&B and the rock style.
 Some of his best songs are:Blue Monday,Honey Chile,So Long,Poor,poor me,Blueberry Hill.