 If you've ever seen the musical, you know, on Broadway, it's of its time. It was his interpretation. He made it personal when he said, this is Louis Dolly. Because he went by all sorts of nicknames and nobody ever really knew for sure how to pronounce his name. Was it Louis? Was it Louie? His name, Satchmo, which was a New Orleans abbreviation for satchel mouth because his mouth was so big.