“Mr. Personality,” the 1954 March of Dimes Poster Boy, met two famed personality boys of the entertainment world during his recent visit to Hollywood when he visited Danny Kaye (left) and Bing Crosby on the set of “White Christmas,” in production at the Paramount studio. Debby Dains, the four-year-old lad from Gooding, Idaho, made nationwide personal appearances during January as part of his contribution to the anti-polio fund raising drive.