Bob Rivers is probably the best-known rock and roll radio DJ in the greater Seattle area of the northwestern United States, as well as a prolific producer of parody songs that often are mistakenly attributed to "Weird Al" Yankovic Bob Rivers is a well known American rock and roll radio on air personality in the Pacific Northwest as well as a prolific producer of parody songs, most famous for his Christmas song parodies. Rivers' radio program, The Bob Rivers Show, is broadcast on Seattle rock station KZOK-FM.