– March 7, 2009)   Jimmy was an American singer, musician, and actor.  He was best known for his recording of the novelty song " I Saw Mommy Kissing Santa Claus ". Listen to THE SONG:  http://www.youtube.com/watch?v=sVM-Vnjk4J8 A goofy kid, a novelty song, but huge as a crowd-pleasing entertainer! I was shocked to read that the