3/07/09 3/07/09 Hansons vs. Jonases: Who Would Win? March 7, 2009 by Celebrity Click to ReadHansons vs. Jonases: Who Would Win? Just for funsies, let's pit these two brotherly bands against each other. In a fight between the Hanson brothers (during their "Mmm-Bop" days!) and the Jonas brothers, who would win?