Related Information for Fats Waller Fats Waller (Thomas Wright Waller, May 21, 1904 – December 15, 1943) was an American jazz pianist, organist, composer, singer, and comedic entertainer. His greatest success came with "Fats Waller & his Rhythm".Thomas Wright Waller was the youngest of four children, born in New York to Adeline Locket Waller and Reverend Edward Martin Waller. He started playing the piano when he was six and graduated to the organ of his father's church four years later. At the ag.. read more