The catalog of the University of Mississippi Library lists a recording of NICHOLAS (DON'T BE SO RIDICULOUS) by The Three Flames on a 78rpm record, Columbia 37268. The Online Discographical Project says it was recorded in 1947.

traditionalmusic.co.uk gives the title as OH NICHOLAS DON'T BE SO RIDICULOUS and says it was written by Jimmy Kennedy and Harry Castling in 1939.